Check prime number in python

How to see if a number is prime in python

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

Source: en.wikipedia.org

Similar codes

2 votes191 views2 answers
Programm the fibonacci sequence
Python
6 votes181 views2 answers
How to make an infinite loop python
Python
1 vote196 views1 answer
Time.sleep() faster
Python
0 vote170 views1 answer
Django amzon like app
Python
7 votes222 views2 answers
How to get index of pandas dataframe python
Python
2 votes213 views1 answer
Number to list in python
Python
0 vote191 views1 answer
Iterating over the two ranges simultaneously and saving it in database
Python
1 vote192 views1 answer
Update python 3.10 ubuntu
Python
0 vote203 views1 answer
Lose your django secret key
Python
1 vote185 views1 answer
Flask run app reset on change
Python