#include<cstdio>
#include<iostream>
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 / gcd(a, b)*b;
}
int main(){
	int a, b;
	while (scanf("%d%d", &a, &b) != EOF){
		cout << gcd(a, b) << " ";
		cout << lcm(a, b) << endl;
	}
	//system("pause");
	return 0;
}