#include <iostream>

using namespace std;

int main(int argc, char **argv)
{
	int a, b, s, t, c;
	while(cin >> a >> b){
		s = a;
		t = b;
		c = 1;
		for(int tmp = (a > b)? b : a, i = 2; i <= tmp; i++){
			while(s%i == 0 && t%i == 0){
				s /= i;
				t /= i;
				tmp /= i;
				c *= i;
			}
		}
		cout << c << " " << (a/c*b) << endl;
	}
	
	return 0;
}