import java.util.*;
public class Main{
    public static void main(String[] args){
	Scanner stdIn = new Scanner(System.in);
	long a,b;
	while(stdIn.hasNextInt()){
	    a = stdIn.nextInt();
	    b = stdIn.nextInt();
	    System.out.printf("%d %d\n",GCD(a , b),LCM(a , b));
	}
    }
    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);
    }
}
/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