3 solved

Author: Rafal Gajdulewicz

3.go

@@ -0,0 +1,10 @@
+package main
+
+import "fmt"
+import "./utils"
+
+func main() {
+	num := 600851475143
+	f := utils.PrimeFactors(num)
+	fmt.Println(f[len(f)-1])
+}