#include <bits/stdc++.h>
using namespace std;

#define INF 1.1e9
#define LINF 1.1e18
#define FOR(i,a,b) for (int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
#define pb push_back
#define pf push_front
#define fi first
#define se second
#define BIT(x,n) bitset<n>(x)
#define PI 3.14159265358979323846

typedef long long ll;
typedef pair<int,int> P;
typedef pair<ll,P> PP;

//-----------------------------------------------------------------------------

template< typename T >
T gcd(T a,T b) {
	return b ? gcd(b,a%b) : a;
}

template< typename T >
T lcm(T a,T b) {
	return a / gcd(a,b) * b;
}

template< typename T >
T extgcd(T a,T b,T &x,T &y) {
	T g=a;
	x=1,y=0;
	if(b) {
		g = extgcd(b,a%b,y,x);
		y -= (a/b)*x;
	}
	cout<<a<<' '<<b<<' '<<x<<' '<<y<<' '<<g<<endl;
	return g;
}

template< typename T >
T mod_inv(T a,T m) {
	T x,y;
	extgcd(a,m,x,y);
	return (m+ x%m)%m;
}

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

	ll a,b;
	while(cin>>a>>b) {
		cout<<gcd(a,b)<<' '<<lcm(a,b)<<endl;
	}

}

