#include <bits/stdc++.h>
using namespace std;
int gcd(int a,int b){
    if(b==0)return a;
    return gcd(b,a%b);
}
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);
    return 0;
}