#include<iostream>
#include<cstring>

using namespace std;

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

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

    cout << gcd(a,b) << " " << a*b/gcd(a,b) << endl;
}