#include<iostream>
#include<stdio.h>
#include<algorithm>
#include<math.h>
using namespace std;
int main()
{
	int a,b,a1,b1,c;
	while(scanf("%d%d",&a,&b)!=EOF)
	{
		if(a<b)
		{
			a1=b;
			b1=a;
		}
		else
		{
			a1=a;
			b1=b;
		}
		while(1)
		{
			r=a1%b1;
			if(r==0)
				break;
			else
			{
				a1=b1;
				b1=r;
			}
		}
		cout<<r<<" "<<a*b/r<<endl;
	}	
	return 0;
}