Created
August 9, 2013 22:36
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| import math | |
| def is_prime(n): | |
| if (n == 2): | |
| return True | |
| if (n == 1 or n % 2 == 0): | |
| return False | |
| square = int(math.ceil(math.sqrt(abs(n)))) + 1 | |
| i = 3 | |
| while i <= square: | |
| if (n % i == 0): | |
| return False | |
| i+=2 | |
| return True |
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