#include<iostream>
#include<stdio.h>

using namespace std;

int gcd(int a,int b){
	if(b == 0) return a;
	return gcd(b,a%b);
}

int lcm(int a,int b){
	return a*b/gcd(a,b);
}

int main(){
	int a,b;
	while(scanf("%d %d",&a,&b) != EOF){
		cout << gcd(a,b) << " " << lcm(a,b) <<  endl;
	}
	return 0;
}