maths.twin_prime
================

.. py:module:: maths.twin_prime

.. autoapi-nested-parse::

   == Twin Prime ==
   A number n+2 is said to be a Twin prime of number n if
   both n and n+2 are prime.

   Examples of Twin pairs: (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), ...
   https://en.wikipedia.org/wiki/Twin_prime



Functions
---------

.. autoapisummary::

   maths.twin_prime.twin_prime


Module Contents
---------------

.. py:function:: twin_prime(number: int) -> int

   # doctest: +NORMALIZE_WHITESPACE
   This functions takes an integer number as input.
   returns n+2 if n and n+2 are prime numbers and -1 otherwise.
   >>> twin_prime(3)
   5
   >>> twin_prime(4)
   -1
   >>> twin_prime(5)
   7
   >>> twin_prime(17)
   19
   >>> twin_prime(0)
   -1
   >>> twin_prime(6.0)
   Traceback (most recent call last):
       ...
   TypeError: Input value of [number=6.0] must be an integer