Find the GCD and LCM

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Question:  Find the GCD and LCM of two numbers taken input from the user.


Solution:

#include<stdio.h>
int main()
{
    int   a,b,x,y,rem,gcd,lcm;

    printf("Enter your desire two numbers : \n");
    scanf("%d %d",&a,&b);

    x=a;
    y=b;

    rem = a%b;

    while(rem!=0){
        a = b ;
        b = rem ;
        rem = a % b;
    }
    gcd = b;
    lcm = (x*y)/gcd;

    printf("GCD = %d\nLCM = %d\n",gcd,lcm);

    return 0;

}