import java.io.IOException;
import java.math.BigInteger;
import java.util.Scanner;

public class Main {

  public static void main(String[] args) throws IOException {
    Scanner scan = new Scanner(System.in);
    while (scan.hasNextLine()) {
      String line = scan.nextLine();
      String[] vals = line.split(" ");
      BigInteger int1 = new BigInteger(vals[0]);
      BigInteger int2 = new BigInteger(vals[1]);

      BigInteger gcd = int1.gcd(int2);

      BigInteger lcm = (int1.multiply(int2)).divide(gcd);
      System.out.println(gcd.toString() + " " + lcm.toString());

    }
  }
}
/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