#include <cstdio>
#include <iostream>
#include <algorithm>
using namespace std;

int main() {
	int n, m;
	while (2 == scanf("%d%d", &n, &m)) {
		printf("%d %d\n", __gcd(n, m), n / __gcd(n, m) * m);
	}
	return 0;
}