#include <iostream>

using namespace std;

int gcd(int x, int y)
{
	return y > 0 ? gcd(y, x % y) : x;
}

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