C practice 55

 Answer :

#include<stdio.h>

int main ()

{

int num,num1,i,a;

printf("Enetr the first number : ");

scanf("%d",&num);

printf("Enetr the Second number : ");

scanf("%d",&num1);

for (i=1;i<=num && i <=num1;i++)

{

if (num%i==0 && num1%i==0)

{

a=i;

}

}

printf("The GCD (Greatest Common Divisor) of two numbers is %d",a);

}

Output :