import java.util.Scanner;

public class Main {

	private Main() {
		Scanner in = new Scanner(System.in);
		long a,b;
		while(in.hasNext()){
			a = in.nextInt();
			b = in.nextInt();
			System.out.println(gcd(a,b)+" "+lcm(a,b));
		}
	}

	public long gcd(long a, long b) {
		if(a==b){
			return a;
		} else if(a>b) {
			return gcd(b,a-b);
		} else {
			return gcd(a,b-a);
		}
	}

	public long lcm(long a, long b) {
		return a*b/gcd(a,b);
	}

	public static void main(String[] args) {
		new Main();
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz