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Implementing prime?(n) and first_primes(n) #6

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YDudin wants to merge 1 commit into HackBulgaria:master from YDudin:prime_numbers

YDudin commented Feb 7, 2016

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          Implementing prime?(n) and first_primes(n)

d7f8067

gsamokovarov reviewed

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week01/1-Warmup-Problems/good_solutions.rb

+                num = n.to_i.abs
+                return false if num == 0 || num == 1
+.upto(num - 1) do |i|

Member

gsamokovarov Feb 7, 2016

def prime?(n)
  2.upto(n - 1).all? { |i| n % i != 0 }
end

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