PyPrimer

A simple collection of prime number related functions.

Install

$ pip install pyprimer

For bleeding edge

$ pip install git+https://github.com/mentix02/pyprimer

Docs

• is_prime(int) -> bool
  • Checks if given number n is prime.

>>> from pyprimer import is_prime
>>> is_prime(3)
True

• primes_till(int) -> List[int]
  • Returns a list of all primes numbers up until n.

>>> from pyprimer import primes_till
>>> primes_till(6)
[2, 3, 5, 7]

• n_primes(int) -> List[int]
  • Returns a list of first n natural primes numbers.

>>> from pyprimer import n_primes
>>> n_primes(6)
[2, 3, 5, 7, 11, 13]

• n_prime(int) -> int
  • Returns the nth prime number.

>>> from pyprimer import n_prime
>>> n_prime(13)
41

• prime_generator() -> Iterator[int]
  • Returns an iterable of ints with each next element being the next prime number.

>>> from pyprimer import prime_generator
>>> total = 0
>>> g = prime_generator()
>>> for n in g:
...   if n == 13:
...     break
...   total += n
>>> print(total)
28