#include <iostream>
#include <algorithm>

using namespace std;

int gcd(int a,int b)
{
    return b ? gcd(b, a % b) : a;
}

int lcm(int a,int b)
{
    return a * b / gcd(a, b);
}

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

    cout << gcd(a, b) << endl;
    cout << lcm(a, b) << endl;

    return 0;
}