import java.util.*;

class Main {
	public static void main (String[] args) {
	    Scanner sc = new Scanner(System.in);
	    int n = sc.nextInt();
	    int m = sc.nextInt();
	    
	    int div = m/n;
	    
	    while(true){
	        if(m%div == 0){
	            System.out.println(div);
	            break;
	        }
	    else       div--;
	    }     
	}
}