import java.io.*;

class Main{
    public static void main(String[]args)throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str;

        while((str= br.readLine()) != null){

            //????¨??????\??????????????????int????????????
            String[] str2 = str.split(" ");
            int a = Integer.parseInt(str2[0]);
            int b = Integer.parseInt(str2[1]);
            int a2 = a;
            int b2 = b;

            //???????????????????????????????????§gcd????±???????
            while(a2 % b2 != 0){
                int tmp = b2;
                b2 = a2 % b2;
                a2 = tmp;
            }
            int gcd = b2;

            // "gcd(a,b) x lcm(a,b) = ab" ?????¬???????????£???????°???¬?????°????±???????  
            long lcm = (long) a*b / 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