#include<bits/stdc++.h>
using namespace std;
long long lcm(int a, int b){
    return a*b/__gcd(a,b);
}
int main(){
    int a,b;
    cin>>a>>b;
    cout<<__gcd(a,b)<<" "<<lcm(a,b)<<endl;
    return 0;
}

WA on #2、#3、#5