#include <bits/stdc++.h>
using namespace std;
int gcd(int a,int b){
	if(b<=0){
		return a;
	}else{
		return gcd(b,a%b);
	}
}
int lcm(int a,int b){
	return (a/gcd(a,b))*b;
}	
int main() {
	long long int a,b;
	while(cin>>a>>b){
		cout<<gcd(a,b)<<" "<<lcm(a,b)<<endl;
	}
	return 0;
}