#include<iostream>
#include<cstdio>
using namespace std;
int gcd(int a,int b)
{
	if(a<b)
		{
			int temp;
			temp=b;
			b=a;
			a=temp;
		}
	if(a%b==0)
		return b;
	return gcd(b,a%b);
}
int lcm(int a,int b)
{
	int gcd1;
	gcd1=gcd(a,b);
	return (a/gcd1)*b;
}
int main()
{
	int a,b;
	while(scanf("%d %d",&a,&b)!=EOF)
		{
			cout<<gcd(a,b)<<" "<<lcm(a,b)<<"\n";	
		}
	return 0;
}