#include <cstdio>
#include <iostream>
#include <cstdlib>

using namespace std;

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

int lcm(int a, int b) {
    return a / gcd(a, b) * b;
}

int main() {
    int a, b;
    while (scanf("%d %d", &a, &b) != EOF) {
        printf("%d %d\n", gcd(a, b), lcm(a, b));
    }
    return 0;
}

