diff --git a/src/main/java/com/thealgorithms/maths/Factorial.java b/src/main/java/com/thealgorithms/maths/Factorial.java
index 063f00bda..511cc1f84 100644
--- a/src/main/java/com/thealgorithms/maths/Factorial.java
+++ b/src/main/java/com/thealgorithms/maths/Factorial.java
@@ -1,6 +1,9 @@
 package com.thealgorithms.maths;
 
-public class Factorial {
+public final class Factorial {
+    private Factorial() {
+    }
+
     /**
      * Calculate factorial N using iteration
      *