C program to find hcf and lcm

HCF is also known as greatest common divisor(GCD) or greatest common factor(gcf).

C program to find hcf and lcm

HCF is also known as greatest common divisor(GCD) or greatest common factor(gcf).

#include

int main() {

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

printf(“Enter two integers

“);

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

", x, y, gcd);

printf("Least common multiple of %d and %d = %d

", x, y, lcm);

return 0;

}

using recursion

#include

long gcd(long, long);

int main() {

long x, y, hcf, lcm;

printf(“Enter two integers

“);

scanf(”%ld%ld”, &x, &y);

hcf = gcd(x, y);

lcm = (x*y)/hcf;

printf("Greatest common divisor of %ld and %ld = %ld

", x, y, hcf);

printf("Least common multiple of %ld and %ld = %ld

", x, y, lcm);

return 0;

}

long gcd(long a, long b) {

if (b == 0) {

return a;

}

else {

return gcd(b, a % b);

}

}

using function

#include

long gcd(long, long);

int main() {

long x, y, hcf, lcm;

printf(“Enter two integers

“);

scanf(”%ld%ld”, &x, &y);

hcf = gcd(x, y);

lcm = (x*y)/hcf;

printf("Greatest common divisor of %ld and %ld = %ld

", x, y, hcf);

printf("Least common multiple of %ld and %ld = %ld

", x, y, lcm);

return 0;

}

long gcd(long x, long y) {

if (x == 0) {

return y;

}

while (y != 0) {

if (x > y) {

x = x - y;

}

else {

y = y - x;

}

}

return x;

}