#include <iostream>

using namespace std;

int gcd(long long a, long long b) {
  while (!a == 0 && !b == 0) {
    if (a >= b) {
      a %= b;
    } else {
      b %= a;
    }
  }
  if (a == 0) {
    return b;
  } else {
    return a;
  }
}

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