diff --git a/.idea/misc.xml b/.idea/misc.xml
index d15472f..a346fd7 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_18" default="true" project-jdk-name="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..aa2d6e0 100644
--- a/src/MyMath.java
+++ b/src/MyMath.java
@@ -1,7 +1,28 @@
+/*Finn Clark
+10/21/23
+CIS - 12
+Hartman
+* */
 import java.util.Scanner;
 
 public class MyMath {
 
-    public static void main(String[] args) {
+    public static int gCF(int x, int y) {
+
+        while (y != 0){
+            int z = y;
+            y = x%y;
+            x = z;
+        }return x;
+    }
+
+        public static void main(String[] args){
+        Scanner in = new Scanner(System.in);
+        System.out.println("Enter a number: ");
+        int numerator = Integer.parseInt(in.nextLine());
+        System.out.println("Enter another number to find their greatest common factor: ");
+        int denominator = Integer.parseInt(in.nextLine());
+        int gcf = gCF(numerator, denominator);
+            System.out.printf("The greatest common factor of %d and %d is %d", numerator, denominator, gcf);
+        }
     }
-}