import java.math.BigInteger;
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner s=new Scanner(System.in);
		while(s.hasNext()){
			BigInteger a = BigInteger.valueOf(s.nextInt());
			BigInteger b = BigInteger.valueOf(s.nextInt());
			BigInteger g = a.gcd(b);
			BigInteger l = a.multiply(b).divide(g);
			System.out.println(g+" "+l);
		}	
	}	
}
/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