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7 lines
249 B
Python
7 lines
249 B
Python
def primes(limit):
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v = [False] * 2 + [True] * (limit+1)
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for (i, prime) in enumerate(v):
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if prime:
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for x in range(i * i, limit+1, i):
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v[x] = False
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return [x for x, y in enumerate(v) if y and x <= limit] |