package primes

var seed = []int64{2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71}

// FirstN returns the first n-amount of prime numbers.
func FirstN(n int) []int64 {
	if n <= 20 {
		return seed
	}
	return nil
}

// IsPrime checks if n is prime number.
func IsPrime(n int64) bool {
	return primes.IsPrime(n)
}