#include <cstdio>
#include <iostream>

using namespace std;

int gcd(int a, int b) {
	return b ? gcd(b, a % b) : a; 
}

int lcm(int a, int b) {
	return a / gcd(a, b) * b;
}

int main() {
	int a, b;
	while (scanf("%d%d", &a, &b) != EOF) {
		printf ("%d %d\n", gcd(a, b), lcm(a, b));
	}
	return 0;
}