#include<iostream>
#include<vector>
using namespace std;
#define DBG cout<<"!"<<endl;
int main(){
  int a,b,c,max=0,min=0,bet,les,ch1=0,ch2=0;
  vector<int> ayaku;
  vector<int> byaku;
  while(cin>>a>>b){
    bet=a%b;
    if(bet!=0)
      les=b%bet;
    if(bet==0)
      max=a;
    else if(les==0)
      max=bet;
    else{
      for(;;){
	ch1=bet%les;
	if(ch1==0){
	  max=les;
	  break;
	}
	bet=les;
	les=ch1;
      }
    }
    min=(a/max)*b;
    cout<<max<<" "<<min<<endl;
  }
  return 0;
}