import java.util.Scanner;

public class Main {
	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int a, b;
		int gcd;
		
		while (sc.hasNext()) {
			a = sc.nextInt();
			b = sc.nextInt();
			gcd = gcd(Math.max(a, b), Math.min(a, b));
			System.out.println(gcd + " " + a / gcd * b);
		}
	}
	
	public static int gcd(int a, int b) {
		if (b == 0) {
			return a;
		}
		return gcd(b, a % b);
	}
}
/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