FiSGO.PrimesHandler.is_prime

is_prime(n, primes_path='/home/docs/checkouts/readthedocs.org/user_builds/fisgo/checkouts/latest/FiSGO/PrecomputedData/BuiltinPrimes.txt')

Given an integer n, returns True if it is prime and False if it is not. Refer to the documentation of FiSGO.PrimesHandler.primes_lt() for additional information on primes_path.

Note

This function is NOT a primality test algorithm, it simply checks if n is a prime number found in primes_path. This is enough for the FiSGO modules using this function.

Parameters:

• n (int) – Positive integer.

• primes_path – String, path to a file with an ordered list of prime numbers.

Return type:

bool

Returns:

Boolean, True if n is a prime number, False otherwise.