import java.util.Scanner;
public class Main {
	
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		Main me = new Main();
		while(in.hasNext()){
			long a = in.nextInt(),b = in.nextInt();
			long gcd = me.GCD(a,b);
			System.out.printf("%d %d\n",gcd,a*b/gcd);
			
		}
	}
	private long GCD(long a,long b){
		if(b == 0)
			return a;
		else
			return GCD(b,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