diff --git a/loops/workshop2.go b/loops/workshop2.go
new file mode 100644
index 0000000..e146594
--- /dev/null
+++ b/loops/workshop2.go
@@ -0,0 +1,25 @@
+package loops
+
+import (
+	"fmt"
+)
+
+func Demo4() {
+	number := 0
+	fmt.Println("enter a number")
+	fmt.Scanln(&number)
+
+	is_prime := true
+
+	for i := 2; i < number; i++ {
+		if number%i == 0 {
+			is_prime = false
+		}
+	}
+	if is_prime == true {
+		fmt.Println("prime")
+	} else {
+		fmt.Println("not prime")
+	}
+}
+// I will write it again for now this code is written by the lecturer
\ No newline at end of file
diff --git a/main.go b/main.go
index 0e644b1..f262113 100644
--- a/main.go
+++ b/main.go
@@ -11,5 +11,5 @@ func main() {
 	variables.Demo1()
 	fmt.Print()
 	conditionals.Demo3()
-	loops.Demo3()
+	loops.Demo4()
 }