diff --git a/.idea/misc.xml b/.idea/misc.xml
index d15472f..433a737 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/MyMath.java b/src/MyMath.java
index 7da9a29..99d77be 100644
--- a/src/MyMath.java
+++ b/src/MyMath.java
@@ -1,7 +1,24 @@
 import java.util.Scanner;
 
+/**
+ * @author Olivia McKittrick
+ * @date 10/31/23
+ *
+ */
 public class MyMath {
-
+    public static int gcf(int a, int b) { // the two numbers
+        while (b != 0) { // while statement that continues as long as b is not = 0
+            int temp = b; // temporarily stores b in temp to keep the original b value
+            b = a % b; // updates the value of b
+            a = temp; // updates value of a with value of b stored in temp
+        }
+        return a;
+    }
     public static void main(String[] args) {
+        int num1 = 1112;
+        int num2 = 695;
+
+        int result = gcf(num1, num2);
+        System.out.println("The GCF of " + num1 + " and " + num2 + " is " + result);
     }
 }