require 'resque-result'

class MyJob
  extend Resque::Plugins::Result

  def self.perform(meta_id, big_num)
    factor(big_num)
  end
end

meta0 = MyJob.enqueue(3574406403731)
meta0.enqueued_at # => 'Wed May 19 13:42:41 -0600 2010'
meta0.meta_id # => '03c9e1a045ad012dd20500264a19273c'

# later
meta1 = MyJob.get_meta('03c9e1a045ad012dd20500264a19273c')
meta1.succeeded? # => true
meta1.result # => [ 1299709, 2750159 ]