import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        try{
            String st;
            while((st= br.readLine())!=null){
                String[] s = st.split(" ",0);
                int a = Integer.parseInt(s[0]);
                int b = Integer.parseInt(s[1]);
                int c = a;
                int d = b;
                while(b!=0){
                    int k = b;
                    b = a%b;
                    a = k;
                }
                System.out.println(a+" "+(c/a)*d);
                
            }
        }catch(Exception ex){
            System.exit(0);
        }
    }
}
/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