import java.io.*;
import java.util.*;
 
public class Main {
 
    public static void main(String[] arg) throws NumberFormatException, IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer strToke;
        String line;
        long gcd; // ?????§??¬?´???°
        long lcm; // ????°???¬?????°
 
        // ab = gcd * lcm
        while ((line = in.readLine()) != null) {
            strToke = new StringTokenizer(line);
            long a = Integer.parseInt(strToke.nextToken());
            long b = Integer.parseInt(strToke.nextToken());
            long aStock = new Long(a).longValue();
            long bStock = new Long(b).longValue();
            int c;
            while (a != b) {
                if (a > b) {
                    a = a - b;
                } else {
                    b = b - a;
                }
            }
            gcd = a;
            lcm = (aStock * bStock) / gcd;
 
            System.out.println(gcd + " " + lcm);
        }
    }
}
/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