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

int main(){

  long long int a,b,c,r,s;

  while(cin >> a >> b){

    s=a*b;

    while(b!=0){

      c=a/b;
      r=a%b;
      a=b;
      b=r;

    }

    cout << a << ' ' << s/a <<  endl;
  }

  return 0;
}