Class: Fixnum

Inherits:

Object

• Object
• Fixnum

Defined in:

lib/fprime.rb

Instance Method Summary

• #prime? ⇒ Boolean

Instance Method Details

#prime? ⇒ Boolean

# File 'lib/fprime.rb', line 8

def prime?
  ('1' * self) !~ /^1?$|^(11+?)\1+$/
end