diff --git a/math/factorial/go/fact_conc.go b/math/factorial/go/fact_conc.go
new file mode 100644
index 0000000000..82200e40ee
--- /dev/null
+++ b/math/factorial/go/fact_conc.go
@@ -0,0 +1,24 @@
+package main
+import (
+	"fmt"
+)
+
+func main() {
+	ch := factorial(4)
+	for n := range ch {
+		fmt.Println(n)
+	}
+}
+
+func factorial(n int) chan int {
+	out := make(chan int)
+	go func() {
+		sum := 1
+		for i := n; i > 0; i-- {
+			sum *= i
+		}
+		out <- sum
+		close(out)
+	}()
+	return out
+}