From: Florian Frank <flori@...>
Date: 2005-06-22T05:45:32+09:00
Subject: Re: 1. Ruby result:  101 seconds , 2. Java result:9.8 seconds, 3. Perl result:62 seconds

Florian Frank wrote:
[...]

For correctness, perhaps even:

> class Integer
>  def prime?

       return false if self < 2

>    not (2..Math.sqrt(self).floor).find { |i| self % i == 0 }
>  end
> end 

-- 
Florian Frank