GCD and LCM of numbers

LCM=number1*number2/GCD

GCDandLCMofnumbers.java

@@ -0,0 +1,39 @@
+import java.util.*;
+public class Program
+{
+    public static void main(String[] args)
+    {
+		Scanner scn=new Scanner(System.in);
+        int n1=scn.nextInt();
+        int n2=scn.nextInt();
+        int n3=n1;//storing value if n1 as it is needed in the as we change the value of it in while.
+        int n4=n2;//storing values of n2 as it will be needed after as we change values for it in while function.
+        if(n2>n1)
+        {
+          while(n2%n1!=0)
+          {
+             int rem=n2%n1;
+              n2=n1;
+              n1=rem;
+          }
+          System.out.println(n1+" is the GCD for the two given numbers "+n3+"and"+n4);
+          int lcm=n3*n4/n1;
+          System.out.println(lcm+" is the LCM of the two numbers "+n3+"and"+n4);
+        }
+        else
+        {
+          while(n1%n2!=0)
+          {
+              int rem=n1%n2;
+              n1=n2;
+              n2=rem;
+          }
+          System.out.println(n2+" is the GCD for the two given numbers.");
+          int lcm=n3*n4/n2;
+          System.out.println(lcm+" is the LCM of the two numbers "+n3+" and "+n4);
+        }
+
+
+    }
+
+}