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