#!/usr/bin/python
# -*- coding: utf-8 -*-


def isprime(max_a=100):
    a = random.randint(2, max_a)
    problem = a
    if a == 2:
        solution = True
        return (problem, solution)
    if a % 2 == 0:
        solution = False
        return (problem, solution)
    for i in range(3, a // 2 + 1, 2):
        if a % i == 0:
            solution = False
            return (problem, solution)
    solution = True
    return (problem, solution)


is_prime = Generator('isprime', 74, 'a any positive integer',
                     'True/False', isprime)