辗转相除

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    int a,b;
   while(n--){
    cin>>a>>b;
    int m,t;
    t=a*b;
    while(b!=0){
        m=b;
        b=a%b;
        a=m;
    }
    cout<<m<<" "<<t/m<<endl;
   }
    return 0;
}