




#define INF 1000000;
#define RE(i,n)  for(i=0;i<n;i++)
inline int max(int n1 = - 1000000 , int n2 = -1000000, int n3 = -1000000)
{
return n1 > n2 ? (n1 > n3 ? n1 : n3) : (n2 > n3 ? n2 : n3);
}
inline int min(int n1 = 1000000, int n2 = 1000000, int n3 = 1000000)
{
return n1 < n2 ? (n1 < n3 ? n1 : n3) : (n2 < n3 ? n2 : n3);
}
#include<iostream>
#include<time.h>
using namespace std;



int gcd(int a, int b)
{
	if (a%b == 0) {
		return b;
	}
	else return gcd(b, a%b);

}


//#define LOCAL
int main()
{
#ifdef LOCAL

	freopen("C:\\Users\\VULCAN\\Desktop\\data.in", "r", stdin);
	//	freopen("C:\\Users\\VULCAN\\Desktop\\data.out", "w", stdout);
#endif
//这是一条帅气的分界线，写程序从这里开始吧
	int a, b;
	while (cin >> a >> b)
	{
		
		int ans = gcd(max(a,b), min(a,b));
		cout << ans <<" "<< a  / ans*b << endl;
	}

//这是一条可爱的分界线
#ifdef LOCAL
printf("用时%.3f秒\n", (double)clock() / CLOCKS_PER_SEC);
#endif
return 0;
}




