#include<bits/stdc++.h>
using namespace std;
 
#define REP(i,s,n) for(int i=s;i<n;++i)
#define rep(i,n) REP(i,0,n)
#define SORT(c) sort((c).begin(),(c).end())
#define IINF INT_MAX
#define LLINF LLONG_MAX
#define DEBUG false
 
typedef long long ll;
typedef pair<int, int> ii;

int main(){
	
	ll a, b;
	while(cin >> a >> b){
		ll tmp = __gcd(a, b);
		cout << tmp << " " << a * b / tmp << endl;
	}

	return 0;
}