#include<cstdio>
#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstring>
#define esp 1e-8
using namespace std;
typedef long long ll;
int n,k;
double a[10005];
bool F(double mid)
{
    int ans=0;
    for(int i=0;i<n;i++)
    {
        ans+=a[i]/mid;
    }
    return ans>=k;
}
int main()
{
    ll a,b;while(cin>>a>>b)
    {
        ll gcd=__gcd(a,b);
        ll lcm=a*b/gcd;
        cout<<gcd<<" "<<lcm<<endl;
    }
}

