#define rep(i, n) for (int i = 0; i < (n); i++)
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<int, int>;

int main() {
    ll a, b;
    while (cin >> a >> b) {
        cout << __gcd(a, b) << " " << a / __gcd(a, b) * b << endl;
    }

    return 0;
}
