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usmanity/prime

Created December 30, 2014 06:08
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prime in python
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prime
# http://stackoverflow.com/questions/18833759/python-prime-number-checker
import math
def is_prime(n):
if n % 2 == 0 and n > 2:
return False
return all(n % i for i in range(3, int(math.sqrt(n)) + 1, 2))
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