Program: HCF & LCM

#include <stdio.h>

int main() {

int a, b, x, y, t, gcd, lcm;

printf("Enter two integers\n");
scanf("%d%d", &x, &y);

a = x;
b = y;

while (b != 0) {

t = b;
b = a % b;
a = t;

}

gcd = a;
lcm = (x * y) / gcd;

printf("Greatest common divisor of %d and %d = %d\n", x, y, gcd);
printf("Least common multiple of %d and %d = %d\n", x, y, lcm);

return 0;

}

/*-via Programming Hub for Android, a top rated Programming App on Google Play

https://play.google.com/store/apps/details?id=com.freeit.java*/