import java.util.Scanner;


public class Main {

	public int calcGCD(int a_in, int b_in) {
		int a, b;
		if (a_in == b_in) { return a_in;
		} else if (a_in < b_in) { a = b_in; b = a_in;
		} else { a = a_in; b = b_in; }

		int r = a % b;
		if (r == 0) { return b;
		} else { return calcGCD(b, r); }
	}

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		Main m = new Main();

		while (sc.hasNext()) {
			int a = sc.nextInt(), b = sc.nextInt();
			int gcd = m.calcGCD(a, b);
			System.out.println(gcd+" "+(a/gcd*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