int main(){
//	m*n = LCM * GCD
	unsigned long long m, n;
	while(cin >> m >> n){
		int LCM, GCD;
		
		if(m<n){
			int swap;
			swap = m;
			m = n;
			n = swap;
		}

		int m_, n_;
		m_ = m;
		n_ = n;
		do {
			if(n_==0){
				GCD = m_;
				break;
			}
			
			int swap = m_ % n_;
			m_ = n_;
			n_ = swap;
		} while(1);
		
		LCM = (m*n)/GCD;
		cout << GCD << " " << LCM << endl;
	}

	return 0;
}