diff --git a/SCMethod1.java b/SCMethod1.java
index 6f06901..3c19b2d 100644
--- a/SCMethod1.java
+++ b/SCMethod1.java
@@ -1,18 +1,14 @@
 package scmethod1;
 
 public class SCMethod1 
-{
-    
-     int gcd(int m,int n)
-    {
-        while(m!=n)
-        {
-            if(m>n)m=m-n;
-            else n=n-m;
-        }
-        return m;
-    }
-            
+{         
+     int gcd(int a, int b)
+	{
+	    if (a == 0)
+	        return b;
+	    return gcd(b % a, a);
+	}
+
     public static void main(String[] args) 
     {
         SCMethod1 x=new SCMethod1();
@@ -26,7 +22,7 @@ public static void main(String[] args)
         
     static boolean isPrime(int n)
     {
-        for(int i=2;i<n/2;i++)
+        for(int i=2;i<=n/2;i++)     // changed by equating to n/2
         {
             if(n%i==0)
                 return false;