import java.util.Scanner;
public class Main {
	static Scanner sc = new Scanner(System.in);
	public static void main (String[] args) {
		Main values = new Main(); 
		long a,b;
		while (sc.hasNext()){
			a = sc.nextLong();
			b = sc.nextLong();
			System.out.println(values.GCF(a, b)+" "+values.LCM(a, b));}
	}
	public long GCF(long a, long b) {
	    if (b == 0) return a;
	    else return (GCF (b, a % b));
	}
	public long LCM(long a, long b){
		return (a*b)/GCF(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