// PR Bab 15, soal 1 -- pembahasan.

#include <iostream>
using namespace std;

long long fpb(long long a, long long b) {
    while (b != 0) {
        long long sisa = a % b;
        a = b;
        b = sisa;
    }
    return a;
}

int main() {
    long long a, b;
    cin >> a >> b;

    long long g = fpb(a, b);
    cout << g << "\n";
    cout << a / g * b << "\n";        // bagi dulu, baru kali
    return 0;
}