import java.util.Scanner;

class Main{
    public static int gcd(int a, int b){
        int t;
        if(a < b){
            t = a;
            a = b;
            b = t;
        }
        while(b > 0){
            t = b;
            b = a % b;
            a = t;
        }
        return a;
    }
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        while(in.hasNext()){
            int a = in.nextInt();
            int b = in.nextInt();
            System.out.println(gcd(a, b) + " " + a / gcd(a, b) * 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