#include <iostream>
#include <cstdlib>
using namespace std;

int main()
{
    int a, b, ba, bb;
    int gcd, lcd = 0;
    while(cin >> a >> b)
    {
        ba = a;
        bb = b;
        while(b!=0)
        {
            gcd = b;
            b = a % b;
            a = gcd;
        }
        lcd = ba * bb / gcd;
        cout << gcd << " "<< lcd << endl;
    }
    
    return EXIT_SUCCESS;
}