import java.io.*;
public class Main {
	public static void main(String args[]) throws IOException {
		BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
		while(true){
			String s = r.readLine();
			if(s == null) break;
			int i = s.indexOf(" ");
			long a = Long.valueOf(s.substring(0, i));
			long b = Long.valueOf(s.substring(i+1));
			System.out.println(gcd(a, b) + " " + lcm(a, b));
		}
	}
	private static long gcd(long a, long b) {
		if(b == 0) return a;
		return gcd(b, a % b);
	}
	private static long lcm(long a, long b) {
		return b * a / gcd(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