#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <cmath>

using namespace std;

#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define loop(i,a,b) for(int i=(a); i<(int)(b); i++)
#define rep(i,b) loop(i,0,b)
#define pb push_back
#define mp make_pair

int main(){
    typedef unsigned long long ull;
    ull a,b; cin>>a>>b;
    cout << __gcd(a,b) << " ";
    cout << a*b/__gcd(a,b) << endl;
}