import java.io.*;
import java.util.*;
class Main{
    public static void main(String[] args)throws IOException{
	Scanner s = new Scanner(System.in);
	long a,b;
	
	while(s.hasNext()){
	    a=s.nextInt();
	    b=s.nextInt();
	    System.out.println(getGCD(a,b)+" "+getLCM(a,b));
	    /* System.out.println(a*b);*/
	}
    }
    
    
  
    
    static long getGCD(long a, long b){
	if(b==0)
	    return a;
	else return getGCD(b ,a%b);
	
	    }

      static long getLCM(long a,long b){
	  return a*b/(getGCD(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