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21 lines
494 B
Python
21 lines
494 B
Python
"""Calculate the sum of all the primes below two million.
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The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.
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Find the sum of all the primes below two million.
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"""
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from e007 import prime_generator
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def main():
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print 'Fetching all primes for n < 2,000,000'
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total = 0
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generator = prime_generator()
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while True:
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prime = generator.next()
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if prime >= 2000000:
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break
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total += prime
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print 'Sum:', total
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if __name__ == '__main__':
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main()
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