
import java.util.Scanner;

class Main{
	static class Pair{
		public long x, y;
		Pair( long xx, long yy ){ x=xx; y=yy; }
	}
	public static void main(String[]av){
		Scanner sc = new Scanner( System.in );
		java.util.ArrayList<Pair> list = new java.util.ArrayList<Pair>();
		while( sc.hasNextInt() )	{
			long x = sc.nextInt();
			long y = sc.nextInt();
			list.add( new Pair( Math.max(x,y), Math.min(x,y)));
		}
		for ( Pair p : list ){
			long x = p.x;
			long y = p.y;
			do{
				long	z = x % y;
				x = y;
				y = z;
			}while( 0 < y );
			System.out.println( x + " " + p.x*p.y/x );
		}
	}
}
				
/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