import java.util.*;

class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        ArrayList<String> ans = new ArrayList<>();
        while(sc.hasNext()){
            long a = sc.nextLong(),b = sc.nextLong();
            ans.add(String.format("%d %d",getGCD(a,b),getLCM(a,b)));
        }
        for(int i = 0,size = ans.size();i < size;i++){
            System.out.println(ans.get(i));
        }
    }
    static long getGCD(long a,long b){
        while(a != b){
            if(a > b) a -= b;
            else b -= a;
        }
        return a;
    }
    static long getLCM(long a,long b){
        return a * b / getGCD(a,b);
    }
}
/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