#include <bits/stdc++.h>
using namespace std;

#define rep(i, n) REP(i, 0, n)
#define ALL(v) v.begin(), v.end()
#define MSG(a) cout << #a << " " << a << endl;
#define REP(i, x, n) for (int i = x; i < n; i++)
#define OP(m) cout << m << endl;
typedef long long ll;
typedef unsigned long long ull;

int gcd(int a, int b)
{
    int r = a % b;
    if (r == 0)
    {
        return b;
    }
    else
    {
        return gcd(b, r);
    }
}

int main()
{
    ll a, b;
    while (cin >> a >> b)
    {
        ll g = gcd(a, b);
        cout << g << " " << a * b / g << endl;
    }
    return 0;
}
