Contents

# frozen_string_literal: true

# Example that returns true if the number passed is a prime number
class PrimeNumber
  def prime?(number)
    is_prime = true
    raise "Invalid number: #{number}" if number <= 0

    if number == 1
      is_prime = false
    elsif number > 2
      (2...number).each do |i|
        is_prime = number % i != 0
        break unless is_prime
      end
    end
    is_prime
  end
end

Version data entries

22 entries across 22 versions & 1 rubygems

Version	Path
rast-0.18.0	examples/prime_number.rb
rast-0.15.1	examples/prime_number.rb
rast-0.14.0	examples/prime_number.rb
rast-0.11.4	examples/prime_number.rb
rast-0.11.3	examples/prime_number.rb
rast-0.11.1	examples/prime_number.rb
rast-0.11.0	examples/prime_number.rb
rast-0.10.0	examples/prime_number.rb
rast-0.9.0	examples/prime_number.rb
rast-0.9.0.pre	examples/prime_number.rb
rast-0.8.1.pre	examples/prime_number.rb
rast-0.8.0.pre	examples/prime_number.rb
rast-0.6.2.pre	examples/prime_number.rb
rast-0.6.1.pre	examples/prime_number.rb
rast-0.6.0.pre	examples/prime_number.rb
rast-0.4.2.pre	examples/prime_number.rb
rast-0.4.1.pre	examples/prime_number.rb
rast-0.4.0.pre	examples/prime_number.rb
rast-0.3.0.pre	examples/prime_number.rb
rast-0.1.2.pre	examples/prime_number.rb