GCF

#include <iostream>
using namespace std;
int GCF(int a, int b){
    if (a % b == 0)
        return b;
    else return GCF(b, a % b);
}
int main() {
    printf("Greatest common factor of 9080, 44 is %d", GCF(9080, 44));
    return 0;
}