#include <bits/stdc++.h>

using namespace std;

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

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

int main() {
	int a, b;
	while (cin >> a >> b) {
		cout << gcd(a, b) << " " << lcm(a, b) << endl;
	}
}