Module: PrimeChecker

Included in:
Integer
Defined in:
lib/jjkazm_prime.rb

Overview

module checking if numer is prime

Instance Method Summary collapse

Instance Method Details

#prime? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jjkazm_prime.rb', line 4

def prime?
  (2..self / 2).none? { |div| (self % div).zero? }
end