#include <iostream>
#include <cstdio>
using namespace std;

int gcd(int a, int b) {
   int p,q,r;
   if(a<b){p=b;b=a;a=p;}
   while(r!=0){
       q=b/a;
       r=a%b;
       b=a;
       a=r;
   }
   return b;
}

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