Class: Prime8::Prime

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/prime_8/prime.rb

Instance Method Summary collapse

Instance Method Details

#prime?(value, generator = Generators.default) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prime_8/prime.rb', line 14

def prime?(value, generator = Generators.default)
  return false if value < 2
  generator.each do |num|
    q,r = value.divmod num
    return true if q < num
    return false if r == 0
  end
end