#include <iostream>
using namespace std;


int gcd(int a, int b)
{
	return a%b == 0 ? b : gcd(b, a%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;
	}
	return 0;
}