import java.util.*;
import java.io.*;
class Main{
    int gcd(int p, int q){
	return q==0?p:gcd(q,p%q);
    }

    void ruun(){
	Scanner sc = new Scanner(System.in);
	int x, y, z;
	while(sc.hasNext()){
	    x = sc.nextInt();
	    y= sc.nextInt();
	    z = gcd(Math.max(x,y), Math.min(x,y));
	    System.out.println(z+" "+x/z*y);
	}
    }

    public static void main(String[] args){
	new Main().ruun();
    }
}
/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