#include <iostream>
using namespace std;

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

int main()
{
	int a, b, g, l;
	while (cin >> a >> b)
	{
		g = gcd(a, b); l = a / g * b;
		cout << g << ' ' << l << endl;
	}
	return 0;
}
