#include <iostream>

using namespace std;

int main( void )
{
	long a, b;
	while(cin >> a >> b) {
		long aa, bb, cc;
		aa = a; bb = b;
		while(bb) {
			cc = aa % bb;
			aa = bb;
			bb = cc;
		}
		cout << aa << ' ' << a*(b/aa) << endl;
	}
	return 0;
}