#include<iostream>
using namespace std;

int gcd(int a, int b){
	if(b==0) return a;
	return gcd(b, a%b);
}

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