#include <iostream>
using namespace std;
int main(){
	int a,b,x;
	int c,d;
	while(cin>>a>>b){
		c=a;
		d=b;
		if(a<b){
			x=a;
			a=b;
			b=x;
		}
		while(b!=0){
			x=b;
			b=a%b;
			a=x;
		}
		cout<<a<<" "<<c/a*d<<endl;
	}
	
	return 0;
}
