import java.util.Arrays;
import java.util.Scanner;


public class Main {
	
	
	long gcd(long a, long b){
		return a==0 ? b : gcd(b%a, a);
	}
	
	long lcm(long a, long b){
		return a*b / gcd(a, b);
	}
	
	void io(){
		Scanner sc = new Scanner(System.in);
		while(sc.hasNext()){
			final long a = sc.nextInt();  final long b = sc.nextInt();
			System.out.println(gcd(a, b) + " " + lcm(a, b));
		}
	}
	
	public static void main(String[] args) {
		new Main().io();
	}
	
	void debug(Object... os){
		System.out.println(Arrays.deepToString(os));
	}
}
/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