#include<iostream>
#include<algorithm>
#include<math.h>
#include<cstdio>
#include<string.h>
#include<cctype>
#include<cmath>
#include<iomanip>
#include<stdio.h>
using namespace std;
int gcd(int a,int b)
{
	while(b!=0)
	{
		int temp=b;
		b=a%b;
		a=temp;
	}
	return a;
 } 
int lcm(int a,int b)
{
	return (a*b)/gcd(a,b);
}
int main()
{
	int m,n;
	while(cin>>m>>n)
	{
		int g=gcd(m,n);
		int l=lcm(m,n);
		cout<<g<<" "<<l<<endl;
	}
	
	return 0;
}