import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        while (input.hasNext()) {
            int a = input.nextInt();
            int b = input.nextInt();
            int gcd = GCD(a, b);
            int lcm = a / gcd * b;

            System.out.println(gcd + " " + lcm);
        }
    }
    
    public static int GCD (int a, int b) {
        if (b == 0) {
            return a;
        }
        return GCD(b, 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