diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/Makefile b/Makefile
index 7420dadc..3c4d3b75 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,8 @@ PROXY?=
 BLUE=\033[0;34m
 NC=\033[0m # No Color
 
-help:
+.PHONY: help
+help: LICENSE
 	@echo "This project has a number of recipes that are delegated to other Makefiles. The following jobs are available with no prefix"
 	@echo "  $(BLUE)clean$(NC)"
 	@echo "  $(BLUE)html$(NC)"
@@ -36,34 +37,43 @@ help:
 	@echo "The following jobs are available under the rs_ prefix"
 	@$(MAKE) rs_help $(MFLAGS) --no-print-directory
 
-
-html dirhtml singlehtml epub latex:
+.PHONY: html dirhtml singlehtml epub latex
+html dirhtml singlehtml epub latex: LICENSE
 	@$(MAKE) docs_$@ $(MFLAGS)
 
-clean: cs_clean cp_clean c_clean ja_clean js_clean py_clean rs_clean docs_clean
+.PHONY: clean
+clean: LICENSE cs_clean cp_clean c_clean ja_clean js_clean py_clean rs_clean docs_clean
 
-cs_%:
+.PHONY: cs_%
+cs_%: LICENSE
 	@cd csharp && $(MAKE) $* $(MFLAGS)
 
-cp_%:
+.PHONY: cp_%
+cp_%: LICENSE
 	@cd cplusplus && $(MAKE) $* $(MFLAGS)
 
-c_%:
+.PHONY: c_%
+c_%: LICENSE
 	@cd c && $(MAKE) $* $(MFLAGS)
 
-docs_%:
+.PHONY: docs_%
+docs_%: LICENSE
 	@cd docs && $(MAKE) $* $(MFLAGS)
 
-ja_%:
+.PHONY: ja_%
+ja_%: LICENSE
 	@cd java && $(MAKE) $* $(MFLAGS)
 
-js_%:
+.PHONY: js_%
+js_%: LICENSE
 	@cd javascript && $(MAKE) $* $(MFLAGS)
 
-py_%:
+.PHONY: py_%
+py_%: LICENSE
 	@cd python && $(MAKE) $* $(MFLAGS)
 
-rs_%:
+.PHONY: rs_%
+rs_%: LICENSE
 	@cd rust && $(MAKE) $* $(MFLAGS)
 
 %:
diff --git a/c/Makefile b/c/Makefile
index 64822075..2a6a8909 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -14,6 +14,7 @@ PROXY_ARG=
 endif
 endif
 
+.PHONY: help
 help:
 	@echo "  $(BLUE)test$(NC)  	run through all tests in sequence. Utilizes the Python test runner infrastructure"
 	@echo "  $(BLUE)test_*$(NC)	run through all tests in parallel with the given number of threads. Use auto to allow the test runner to determine it. Utilizes the Python test runner infrastructure"
@@ -22,20 +23,25 @@ help:
 	@echo "  $(BLUE)native$(NC) 	build a test binary utilizing the Unity test framework"
 	@echo "  $(BLUE)clean$(NC) 	clean up any stray files"
 
-test_%: submodules dependencies
+.PHONY: test_%
+test_%: ../LICENSE submodules dependencies
 	cd ../python; $(MAKE) dependencies $(MFLAGS)
 	$(PY) -m pytest -dvl -n$* test_euler.py --cov
 
-test: submodules dependencies
+.PHONY: test
+test: ../LICENSE submodules dependencies
 	$(PY) -m pytest -vl --benchmark-sort=fullname --benchmark-group-by=fullfunc --benchmark-verbose test_euler.py --cov
 
+.PHONY: submodules
 submodules:
 	git submodule init
 	git submodule update
 
+.PHONY: dependencies
 dependencies: submodules
 	$(PIP) install -r requirements.txt -r ../python/requirements.txt $(USER_FLAG) $(PROXY_ARG)
 
+.PHONY: lint
 lint:
 	if test -z "$(clang-tidy src/p0000_template.c -warnings-as-errors=* 2>&1 | grep "Unknown command line argument")"; then \
 		clang-tidy src/*.c -warnings-as-errors=-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling; \
@@ -43,13 +49,16 @@ lint:
 		clang-tidy src/*.c; \
 	fi
 
-native: submodules
+.PHONY: native
+native: ../LICENSE submodules
 	$(CC) test.c Unity/src/unity.c -O2 -lm -lc -Wall -Werror -march=native -flto -DAMD_COMPILER=0
 
+.PHONY: clean
 clean:
 	rm -r build ./{*,*/*}{.pyc,__pycache__,.mypy_cache} || echo
 
-wasm: submodules
+.PHONY: wasm
+wasm: ../LICENSE submodules
 	wget https://github.com/jedisct1/libclang_rt.builtins-wasm32.a -O wasm32.a
 	mkdir -p build
-	clang -DUNITY_END --target=wasm32-unknown-wasi --sysroot /tmp/wasi-libc -nostartfiles -Wl,--import-memory -Wl,--no-entry -Wl,--export-all -o build/c.wasm test.c
\ No newline at end of file
+	clang -DUNITY_END --target=wasm32-unknown-wasi --sysroot /tmp/wasi-libc -nostartfiles -Wl,--import-memory -Wl,--no-entry -Wl,--export-all -o build/c.wasm test.c
diff --git a/cplusplus/Makefile b/cplusplus/Makefile
index 226ae010..5ef1ff14 100644
--- a/cplusplus/Makefile
+++ b/cplusplus/Makefile
@@ -14,6 +14,7 @@ PROXY_ARG=
 endif
 endif
 
+.PHONY: help
 help:
 	@echo "  $(BLUE)test$(NC)  	run through all tests in sequence. Utilizes the Python test runner infrastructure"
 	@echo "  $(BLUE)test_*$(NC)	run through all tests in parallel with the given number of threads. Use auto to allow the test runner to determine it. Utilizes the Python test runner infrastructure"
@@ -21,20 +22,25 @@ help:
 	@echo "  $(BLUE)lint$(NC)  	run clang-tidy across each of the .cpp and .h files"
 	@echo "  $(BLUE)clean$(NC) 	clean up any stray files"
 
-test_%: dependencies
+.PHONY: test_%
+test_%: ../LICENSE dependencies
 	cd ../python; $(MAKE) dependencies $(MFLAGS)
 	$(PY) -m pytest -dvl -n$* test_euler.py --cov
 
-test: dependencies
+.PHONY: test
+test: ../LICENSE dependencies
 	$(PY) -m pytest -vl --benchmark-sort=fullname --benchmark-group-by=fullfunc --benchmark-verbose test_euler.py --cov
 
+.PHONY: submodules
 submodules:
 	git submodule init
 	git submodule update
 
+.PHONY: dependencies
 dependencies:
 	$(PIP) install -r requirements.txt -r ../python/requirements.txt $(USER_FLAG) $(PROXY_ARG)
 
+.PHONY: lint
 lint:
 	if test -z "$(clang-tidy src/p0000_template.cpp -warnings-as-errors=* 2>&1 | grep "Unknown command line argument")"; then \
 		clang-tidy src/*.cpp -warnings-as-errors=-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling; \
@@ -42,8 +48,10 @@ lint:
 		clang-tidy src/*.cpp; \
 	fi
 
-native: submodules
+.PHONY: native
+native: ../LICENSE submodules
 	$(CXX) test.cpp Unity/src/unity.c -O2 -lm -Wall -Werror -std=c++11 -march=native -flto -DAMD_COMPILER=0 -Wno-deprecated
 
+.PHONY: clean
 clean:
 	rm -r build ./{*,*/*}{.pyc,__pycache__,.mypy_cache} || echo
diff --git a/csharp/Makefile b/csharp/Makefile
index 9793c14c..04111e5b 100644
--- a/csharp/Makefile
+++ b/csharp/Makefile
@@ -8,6 +8,7 @@ else
 cov_args=
 endif
 
+.PHONY: help
 help:
 	@echo "  $(BLUE)test$(NC)    	run through all tests in sequence. Utilizes the Xunit framework"
 	@echo "  $(BLUE)test_*$(NC) 	run through all tests in parallel with the given number of threads. Use auto to allow the test runner to determine it. Utilizes the Xunit framework"
@@ -15,22 +16,27 @@ help:
 	@echo "  $(BLUE)lint$(NC)  	runs dotnet format --verify-no-changes"
 	@echo "  $(BLUE)clean$(NC) 	clean up any stray files"
 
+.PHONY: clean
 clean:
 	dotnet clean || rm ./*/{bin,obj,TestResults} || echo
 
-test:
+.PHONY: test
+test: ../LICENSE
 ifneq ($(NOT_TERMUX),0)
 	dotnet test --nologo $(cov_args)
 endif
 
-test_%:
+.PHONY: test_%
+test_%: ../LICENSE
 	$(MAKE) test $(MFLAGS)
 
+.PHONY: dependencies
 dependencies:
 ifneq ($(NOT_TERMUX),0)
 	dotnet restore
 endif
 
+.PHONY: lint
 lint:
 ifneq ($(NOT_TERMUX),0)
 	dotnet format --verify-no-changes
diff --git a/docs/Makefile b/docs/Makefile
index ef1b6f0b..239ca7ba 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -21,14 +21,15 @@ endif
 endif
 
 # Put it first so that "make" without argument is like "make help".
+.PHONY: help
 help:
 	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 
-.PHONY: help Makefile
-
+.PHONY: clean
 clean:
 	rm -r _build _static/test-*.html _static/dist || echo
 
+.PHONY: dependencies
 dependencies:
 	$(PIP) install -r requirements.txt -r ../c/requirements.txt -r ../python/requirements.txt --upgrade $(USER_FLAG) $(PROXY_ARG)
 	npm install -g jsdoc
@@ -65,10 +66,11 @@ _static/test-rs.html:
 	cp ../rust/dist/bundle-rs.js _static/dist/bundle-rs.js
 	cat _static/dist/test-js.html | sed s#_static/bundle-js.js#_static/bundle-rs.js > _static/test-rs.html
 
-html: _static/dist/bundle.js _static/dist/python.tar.gz
+.PHONY: html
+html: ../LICENSE _static/dist/bundle.js _static/dist/python.tar.gz
 	$(SPHINXBUILD) -M html "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
-%:
+%: ../LICENSE
 	$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
diff --git a/java/Makefile b/java/Makefile
index bb5eb75e..a89ebea3 100644
--- a/java/Makefile
+++ b/java/Makefile
@@ -2,27 +2,28 @@ MVN?=mvn
 BLUE=\033[0;34m
 NC=\033[0m # No Color
 
+.PHONY: help
 help:
 	@echo "  $(BLUE)test$(NC)   	run through all tests in sequence"
 	@echo "  $(BLUE)test_*$(NC) 	run through all tests in parallel with the given number of threads. Use auto to allow the test runner to determine it"
-	@echo "  $(BLUE)dependencies$(NC)	grabs all dependencies through maven"
 	@echo "  $(BLUE)clean$(NC)  	clean up any stray files"
 	@echo "  $(BLUE)lint$(NC)		Run the maven formatter"
 
+.PHONY: clean
 clean:
 	$(MVN) clean || echo
 
-dependencies:
-	$(MVN) install -B
-
-test: dependencies
+.PHONY: test
+test: ../LICENSE
 	$(MVN) -e test -Dtest.single
 
-test_auto: dependencies
+test_auto: ../LICENSE
 	$(MVN) -e test -T 1C
 
-test_%: dependencies
+.PHONY: test_%
+test_%: ../LICENSE
 	$(MVN) -e test -T $*
 
+.PHONY: lint
 lint:
 	$(MVN) formatter:format
diff --git a/java/src/main/java/euler/lib/Utilities.java b/java/src/main/java/euler/lib/Utilities.java
index ee12d827..3402ebce 100644
--- a/java/src/main/java/euler/lib/Utilities.java
+++ b/java/src/main/java/euler/lib/Utilities.java
@@ -3,6 +3,8 @@
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.StringReader;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -10,10 +12,17 @@
 public class Utilities {
 
     private static Path getDataPath(String name) throws IOException {
-        Path classPath = Paths.get(Utilities.class.getProtectionDomain().getCodeSource().getLocation().getPath());
+try {
+        URI classUri = Utilities.class.getProtectionDomain().getCodeSource().getLocation().toURI();
+        Path classPath = Paths.get(classUri);
+//        Path classPath = Paths.get(Utilities.class.getProtectionDomain().getCodeSource().getLocation().getPath());
         Path classDir = classPath.getParent();
         Path filePath = classDir.getParent().getParent().resolve("_data").resolve(name);
         return filePath;
+}
+catch (URISyntaxException e) {
+throw new IOException("Invalid syntax in class path");
+}
     }
 
     public static byte[] getDataFileBytes(String name) throws IOException {
diff --git a/javascript/Makefile b/javascript/Makefile
index 5ee17926..e05107c1 100644
--- a/javascript/Makefile
+++ b/javascript/Makefile
@@ -10,6 +10,7 @@ endif
 BLUE=\033[0;34m
 NC=\033[0m # No Color
 
+.PHONY: help
 help:
 	@echo "  $(BLUE)test$(NC)   	run through all tests in sequence. Utilizes the Mocha test runner"
 	@echo "  $(BLUE)test_*$(NC) 	run through all tests in parallel with the given number of threads. Use auto to allow the test runner to determine it. Utilizes the Mocha test runner"
@@ -20,26 +21,31 @@ help:
 	@echo "  $(BLUE)webpack$(NC)	Packages these tests for use in browsers"
 	@echo "  $(BLUE)clean$(NC)  	clean up any stray files"
 
-test: dependencies
+.PHONY: test
+test: ../LICENSE dependencies
 	$(MOCHA) euler.test.js
 
 test_auto: dependencies
 	$(MOCHA) --parallel euler.test.js
 
-test_%: dependencies
+.PHONY: test_%
+test_%: ../LICENSE dependencies
 	$(MOCHA) --parallel -j $* euler.test.js
 
+.PHONY: bun_dependencies
 bun_dependencies:
 	if ! command -v bun; then npm -g install bun; fi
 	bun install
 
-bun_test: bun_dependencies
+.PHONY: bun_test
+bun_test: ../LICENSE bun_dependencies
 ifeq ($(COV),true)
 	bun test --coverage --coverage-reporter lcov
 else
 	bun test
 endif
 
+.PHONY: dependencies
 ifneq ($(HAS_NPM),0)
 ifeq ($(OS),Windows_NT)  # if no NPM and Windows
 dependencies:
@@ -63,19 +69,23 @@ else  # has NPM
 dependencies: _dependencies
 endif
 
+.PHONY: _dependencies
 _dependencies:
 ifeq ($(COV),true)
 	npm install -g istanbul
 endif
 	npm install --include=dev
 
+.PHONY: lint
 lint: dependencies
 	npx eslint *.js src/*.js src/lib/*.js --ignore-pattern "dist/*"
 
+.PHONY: clean
 clean:
 	rm -r node_modules dist src/lib/fallbacks || echo
 
-webpack: dependencies
+.PHONY: webpack
+webpack: ../LICENSE dependencies
 	mkdir -p src/lib/fallbacks
 	for f in ../_data/*; do \
 	  bf=$$(echo $$f | sed "s/.*\///"); \
diff --git a/javascript/package.json b/javascript/package.json
index 1987561c..335903b1 100644
--- a/javascript/package.json
+++ b/javascript/package.json
@@ -7,7 +7,7 @@
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "Olivia Appleton",
-  "license": "ISC",
+  "license": "GPLv3",
   "dependencies": {
     "chai": "^4.3.6",
     "istanbul": "^0.4.5",
diff --git a/python/Makefile b/python/Makefile
index 85eea998..d926cfb6 100644
--- a/python/Makefile
+++ b/python/Makefile
@@ -41,20 +41,22 @@ endif
 BLUE=\033[0;34m
 NC=\033[0m # No Color
 
+.PHONY: help
 help:
 	@echo "  $(BLUE)test$(NC)   	run through all tests in sequence. Utilizes the pytest test runner infrastructure"
 	@echo "  $(BLUE)test_*$(NC) 	run through all tests in parallel with the given number of threads. Use auto to allow the test runner to determine it. Utilizes the pytest runner"
 	@echo "  $(BLUE)dependencies$(NC)	grabs all dependencies through pip"
 	@echo "  $(BLUE)clean$(NC)  	clean up any stray files"
 
-test: dependencies _test
+.PHONY: test
+test: ../LICENSE dependencies _test
 	$(PY) -m pytest $(pytest_args) $(benchmark_flags)
 
-test_%: dependencies
+.PHONY: test_%
+test_%: ../LICENSE dependencies
 	$(PY) -m pytest $(pytest_args) -d -n$*
 
-_test:
-
+.PHONY: dependencies
 ifeq ($(MYPY),true)
 dependencies:
 	$(PIP) install -r requirements.txt $(USER_FLAG) $(PROXY_ARG)
@@ -64,10 +66,12 @@ dependencies:
 	$(PIP) install -r .requirements.txt $(USER_FLAG) $(PROXY_ARG)
 endif
 
+.PHONY: clean
 clean:
 	rm -r ./{*,*/*}{.pyc,__pycache__,.mypy_cache} || echo
 
-webpack:
+.PHONY: webpack
+webpack: ../LICENSE
 	# Create temporary directory for the archive content
 	mkdir -p ../docs/_static/dist/tmp/euler
 	cp -r ../_data ../docs/_static/dist/tmp/euler/_data
@@ -76,7 +80,7 @@ webpack:
 	# Add __init__.py files to the temporary directory
 	echo "# init file" > ../docs/_static/dist/tmp/euler/__init__.py
 	echo "# init file" > ../docs/_static/dist/tmp/euler/python/__init__.py
-	
+
 	# Exclude unwanted directories and create tarball
 	cd ../docs/_static/dist/tmp && \
 		tar --exclude='__pycache__' --exclude='*/__pycache__' \
diff --git a/rust/Makefile b/rust/Makefile
index b371fc48..460a4c2c 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -2,19 +2,23 @@ BLUE=\033[0;34m
 NC=\033[0m # No Color
 RUSTFLAGS?="-Copt-level=2"
 
+.PHONY: help
 help:
 	@echo "  $(BLUE)test$(NC)   	run through all tests in sequence."
 	@echo "  $(BLUE)test_*$(NC) 	run through all tests in parallel with the given number of threads. Use auto to allow the test runner to determine it"
 	@echo "  $(BLUE)clean$(NC)  	clean up any stray files"
 
-test:
+.PHONY: test
+test: ../LICENSE
 	cargo test -j 1
 
-test_auto:
+test_auto: ../LICENSE
 	cargo test
 
-test_%:
+.PHONY: test_%
+test_%: ../LICENSE
 	cargo test -j $*
 
+.PHONY: clean
 clean:
 	cargo clean || echo