import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int a, b, goc;
		while (in.hasNext()) {
			a = in.nextInt();
			b = in.nextInt();
			System.out.print(goc = goc(a, b));
			System.out.print(" ");
			System.out.println(a / goc * b);
		}
	}

	static int goc(int a, int b) {
		if (b != 0) return goc(b, a % b);
		else return a;
	}
}
/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