prime_check(n):     """Return True if n is a prime number     Else return False.     """     if n <= 1:         return False     if n == 2 or n == 3:         return True     if n % 2 == 0 or n % 3 == 0:         return False     j = 5     while j * j <= n:         if n % j == 0 or n % (j + 2) == 0:             return False         j += 6     return True Footer © 2023 GitHub, Inc. Footer navigation Terms Privacy.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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prime_check(n):
    """Return True if n is a prime number
    Else return False.
    """

    if n <= 1:
        return False
    if n == 2 or n == 3:
        return True
    if n % 2 == 0 or n % 3 == 0:
        return False
    j = 5
    while j * j <= n:
        if n % j == 0 or n % (j + 2) == 0:
            return False
        j += 6
    return True
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