//#include "bits/stdc++.h"

#define _USE_MATH_DEFINES
#include <cmath>
#include <cstdlib>
#include <deque>
#include <algorithm>
#include <functional>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#include <iterator>

using namespace std;

#define rep(i,a,b) for(int i=(a), i##_len=(b);i<i##_len;i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(c) begin(c),end(c)

#define int long long
#define SZ(x) ((int)(x).size())
#define pb push_back
#define mp make_pair

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ll, int> pli;
typedef pair<double, double> pdd;

template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; }

const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;
const int MOD = (int)1e9 + 7;
const double EPS = 1e-9;

int gcd(int x, int y)
{
	int a = x, b = y, c = a%b;
	while (c != 0)
	{
		a = b;
		b = c;
		c = a%b;
	}
	return b;
}

signed main()
{
	cin.tie(0);
	ios::sync_with_stdio(false);

	int a, b;
	while (cin >> a >> b)
	{
		int t = gcd(a, b);
		cout << t << " " << a*b / t << endl;
	}

	return 0;
}
