Q-6. C programming GCD , LCM

//c programming GCD, LCM

1. #include<stdio.h>
2. int main ( )
3. {
4.     int num1,num2,n1,n2,rem,gcd,lcm;
5. 
   
6.     printf ("Enter 2 number :");
7.     scanf ( "%d %d",&num1,&num2);
8. 
   
9.     n1=num1;
10.     n2=num2;
11.     while (n2!=0)
12.     {
13.         rem = n1%n2;
14.         n1  = n2;
15.         n2  = rem;
16.     }
17.     gcd=n1;
18.     lcm=( num1*num2)/gcd;
19. 
    
20.     printf ( "GCD=%d\n",gcd);
21.     printf ("LCM=%d\n",lcm);
22.     return 0;
23. }