20 lines
503 B
Python
20 lines
503 B
Python
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# The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.
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#
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# Find the sum of all the primes below two million.
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######################################################################
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def isPrime(x):
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for i in range(2, int(pow(x, 1/2)) + 1):
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if x % i == 0:
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return False
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return True
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sum = 0
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for number in range(2, 2000000):
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if isPrime(number):
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sum += number
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print(sum)
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# Solution: 142913828922
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