diff --git a/.idea/misc.xml b/.idea/misc.xml
index d15472f..cf9abe6 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_20" default="true" project-jdk-name="openjdk-20" 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..bf5c9ce 100644
--- a/src/MyMath.java
+++ b/src/MyMath.java
@@ -1,7 +1,24 @@
 import java.util.Scanner;
-
 public class MyMath {
-
+    static Scanner scan = new Scanner(System.in);
+    public static void gcf() {
+        System.out.println("This method will calculate the greatest common factor (GCF) of two numbers.");
+        System.out.println("Enter your larger number: ");
+            int a = scan.nextInt();
+            System.out.println("Enter your smaller number: ");
+            int b = scan.nextInt();
+        while (true) {
+            if (a % b == 0) {
+                break;
+            } else {
+                int c = a % b;
+                a = b;
+                b = c;
+            }
+        }
+        System.out.println("The GCF of the numbers you entered is " + b);
+    }
     public static void main(String[] args) {
+        gcf();
     }
 }