import java.io.*;
import java.util.*;
import java.math.*;


public class Main
{

public static long GCD(long a, long b){
	if(b == 0) return a;
	else return GCD(b, a%b);
}

public static long LCM(long a, long b){
	return (a * b)/GCD(a, b);
}




 public static void main(String args[]) throws Exception
       {
       	Scanner cin = new Scanner(System.in);
       	while(cin.hasNext()){
       		long a = cin.nextLong();
       		long b = cin.nextLong();
       		//System.out.println(GCD(a, b));
       		System.out.println( GCD(a, b) + " " + LCM(a, 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