#include <iostream>

using namespace std;

int main(int argc, char **argv)
{
	int a, b, s, t;
	
	while(cin >> a >> b){
		for(int i = (a > b)? b : a; i >= 1; i--){
			if(b%i == 0 && a%i == 0){
				cout << i << " ";
				break;
			}
		}
		s = a;
		t = b;
		while(s != t){
			if(s > t){
				while(s > t){
					t += b;
				}
			} else {
				while(t > s){
					s += a;
				}
			}
		}
		cout << s << endl;
	}
	
	return 0;
}