#include <stdio.h>

int gcd(int x1, int x2) {
    if (x2 == 0) return x1;
    return gcd(x2, x1 % x2);
}

int main() {
    int x1, x2, x;
    while (scanf("%d%d", &x1, &x2) == 2) {
        x = gcd(x1, x2);
        printf("%d %d\n", x, x1 / x * x2);
    }
    
    return 0;
}