#include <string>
#include <algorithm>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <functional>
#include <iostream>
#include <map>
#include <memory>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <utility>
#include <vector>
#include <iomanip>


using namespace std;


int main(void) {
	int a, b;
	while(cin >> a >> b){
		int gcd = 1, lcm = a * b;
		if(a < b){
			int tmp = a;
			a = b;
			b = tmp;
		}
		for(int i = 2; i <= b; i++){
			if(a % i == 0 && b % i == 0){
				gcd *= i;
				a /= i;
				b /= i;
			}
		}
		lcm /= gcd;
		cout << gcd << " " << lcm << endl;
	}
}