forked from goodboy/tractor
41 lines
882 B
Python
41 lines
882 B
Python
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import time
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import concurrent.futures
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import math
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PRIMES = [
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112272535095293,
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112582705942171,
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112272535095293,
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115280095190773,
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115797848077099,
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1099726899285419]
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def is_prime(n):
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if n < 2:
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return False
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if n == 2:
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return True
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if n % 2 == 0:
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return False
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sqrt_n = int(math.floor(math.sqrt(n)))
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for i in range(3, sqrt_n + 1, 2):
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if n % i == 0:
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return False
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return True
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def main():
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with concurrent.futures.ProcessPoolExecutor() as executor:
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start = time.time()
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for number, prime in zip(PRIMES, executor.map(is_prime, PRIMES)):
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print('%d is prime: %s' % (number, prime))
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print(f'processing took {time.time() - start} seconds')
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if __name__ == '__main__':
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start = time.time()
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main()
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print(f'script took {time.time() - start} seconds')
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