Single loop:Prime number.

Problem: Check whether the given number is prime or not.

Solution in Python:


import math

def is_prime(n):
    """
    Author: Mayur P Srivastava

    """

    if n <= 1:
        return False
    if n == 2:
        return True
    if n % 2 == 0:
        return False

    max_possible_factor = int(math.ceil(math.sqrt(n)))

    for i in range(3, max_possible_factor + 1, 2):
        if n % i == 0:
            return False

    return True



Concepts learned: Single loop.