#include <iostream>
using namespace std;

int main() {
	long long int a, b, t, aa, bb;

	while (1) {
		cin>>a;
		if (cin.eof()) break;
		cin>>b;

		aa = a;
		bb = b;

		while (1) {
			if (b==0) break;

			t = b;
			b = a % b;
			a = t;
		}
		cout<<a<<" "<<aa*bb/a<<endl;
	}
	return 0;
}