from math import sqrt
x = int(input('Please enter a positive integer:'))


def is_prime(x):
    if x <= 0:
        raise ValueError(f'{x} is not a positive integer')
    if x == 1:
        return False
    for i in range(2, int(sqrt(x)) + 1):
        if (x % i) == 0:
            return f'{x} is not prime'
    return f'{x} is prime'


is_prime(x)