def is_prime(number):
 "\n    if not fermat_little_theorem(number) == 1:\n        # Not prime, according to Fermat's little theorem\n        return False\n    "
 if randomized_primality_testing(number, 5):
  return True
 return False

def is_prime ( number ) : if randomized_primality_testing ( number , 5 ) : return True return False
check if a number is prime .