import java.util.Scanner;
import java.math.BigInteger;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    while(sc.hasNext()) {
      BigInteger bda = new BigInteger(sc.next());
      BigInteger bdb = new BigInteger(sc.next());
      BigInteger gcd = bda.gcd(bdb);
      BigInteger lcm = bda.multiply(bdb).divide(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