#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pii = pair<int, int>;

ll gcd(ll a, ll b) {
  return b == 0 ? a : gcd(b, a % b);
}
ll lcm(ll a, ll b) {
  return a / gcd(a, b) * b;
}

int main() {
  cin.tie(0);
  ios_base::sync_with_stdio(false);
  cout << fixed << setprecision(10);
  
  int a, b;
  while (cin >> a >> b) {
    cout << gcd(a, b) << " " << lcm(a, b) << endl;
  }

  return 0;
}
