as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
create a function to determine whether a number is prime or not.
user
def is_prime(n):
    if n <= 1: 
        return false
    for i in range(2, n):
        if n % i == 0:
            return false
    return true
assistant