gcd and lcd in c
#include <stdio.h>
//here is a c programme which can find GCD and LCD
int main(){
int n1,n2,num1,num2,rem,gcd,lcm;
printf("Enter first and second number number (3,4) : \n");
scanf("%d %d",&num1,&num2);
n1=num1;
n2=num2;
while(n2!=0){
rem=n1%n2;
n1=n2;
n2=rem;
}
gcd=n1;
lcm=(num1*num2)/gcd;
printf("GCD of %d and %d is %d\n",num1,num2,gcd);
printf("LCM of %d and %d is %d\n",num1,num2,lcm);
return 0;
}