#include <stdio.h>

int gcd(int n, int m)
{
    if (m == 0)
    {
        return n;
    }
    else
    {
        return gcd(m, n % m);
    }
}

int main()
{

    int n, m;
    while (scanf("%d %d", &n, &m) != EOF)
    {
        printf("%d %d\n", gcd(n, m), (n * m) / gcd(n, m));
    }

    return 0;
}