import java.util.*;

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