Prime Number Detection in Python

Determine whether a number is a prime number

Technology Stack : math, re

Code Type : Function

Code Difficulty : Intermediate

                
                    
import math
import re

def is_prime_number(num):
    if num <= 1:
        return False
    if num <= 3:
        return True
    if num % 2 == 0 or num % 3 == 0:
        return False
    i = 5
    while i * i <= num:
        if num % i == 0 or num % (i + 2) == 0:
            return False
        i += 6
    return True