#include<bits/stdc++.h>

#define rep(i,n) for(int (i)=0;(i)<(n);++(i))
#define FOR(i,a,b) for(int (i)=(a);i<(b);++(i))
#define ALL(obj) (obj).begin(),(obj).end()
#define space <<" "<<
using namespace std;

int main(){
    long long a,b;
    long long lcm,gcd;
    while(cin>>a>>b){

    lcm=a*b;

    while(b!=0){
    gcd=a%b;
    a=b;
    b=gcd;
    }

    cout<<a space lcm/a <<endl;
    }
}
