diff --git a/src/Lecture1/isPrime.java b/src/Lecture1/isPrime.java
index 51cb715..a3e4e84 100644
--- a/src/Lecture1/isPrime.java
+++ b/src/Lecture1/isPrime.java
@@ -4,14 +4,14 @@ public class isPrime {
 
 	public static void main(String[] args) {
 		// TODO Auto-generated method stub
-		int n = 9;
-		int div = 2;
-		while (div < n) {
-			if (n % div == 0) {
+		int n = 45;
+		int Div = 2;
+		while (Div < n) {
+			if (n % Div == 0) {
 				System.out.println("Not Prime");
 				return;
 			}
-			div++;
+			Div++;
 		}
 		System.out.println("Prime");
 	}