#include<iostream>
#include<algorithm>
using namespace std;
int gcd(int a,int b)
{
    if(b==0)
        return a;
    else
        return gcd(b,a%b);
}
int lcm(int a,int b)
{
    return a/gcd(a,b)*b;
}
int main()
{
    int a,b;
    while(cin>>a>>b)
    {
        cout<<gcd(a,b)<<" "<<lcm(a,b)<<endl;
    }
    return 0;
}

