juliocesar · November 19, 2009 00:39
diff --git a/prime.rb b/prime.rb
 class Integer
  def prime?
    !("1" * self).match(/^1?$|^(11+?)\1+$/).nil?
  end
 end
 class DHHException < Exception; end
 raise DHHException, 'Whoops!' if !1.prime?
	class Integer
	def prime?
	!("1" * self).match(/^1?$\|^(11+?)\1+$/).nil?
	end
	end
	class DHHException < Exception; end
	raise DHHException, 'Whoops!' if !1.prime?