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sferik/clean_chains.rb

Created April 12, 2013 02:03
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clean_chains.rb
require 'prime'
t = Time.now
Prime.each_with_index.inject(0) do |sum, (number, index)|
puts "#{index + 1} (took #{Time.now - t} seconds)" if sum % number == 0
sum += number
end
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