Check for prime in python

def is_prime(n: int) -> bool:
    """Primality test using 6k+-1 optimization."""
    import math
    if n <= 3:
        return n > 1
    if n % 2 == 0 or n % 3 == 0:
        return False
    i = 5
    while i <= math.sqrt(n):
        if n % i == 0 or n % (i + 2) == 0:
            return False
        i += 6
    return True

Source: en.wikipedia.org

Similar codes

0 vote321 views1 answer
Pygame rect follower
Python
1 vote327 views1 answer
5**5
Python
46 votes369 views4 answers
How to stop container in docker
Python
60 votes323 views4 answers
Create exe from python script
Python
2 votes308 views1 answer
Discard vs remove python
Python
0 vote343 views1 answer
Pip unknown command import
Python
0 vote355 views1 answer
Django blog new post
Python Django
0 vote331 views2 answers
Dataframe change specicf values in column
Python
0 vote357 views1 answer
Multiple assessment in python
Python
5 votes343 views3 answers
Start virtualenv
Python