28 lines
431 B
Python
28 lines
431 B
Python
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#!/usr/bin/env python
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# Python version of a Prime Number Finder
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# haplo@mindstab.net
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import sys
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import math
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try: max = int(sys.argv[1]);
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except:
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print "primes.py <MAX NUM>"
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sys.exit()
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if max < 1:
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print "Invalide MAX NUM"
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sys.exit()
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for cnt in range(3, max, 2) :
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testMax = math.sqrt(cnt)+1
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isPrime = 1
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for test in range(3, testMax, 2):
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isPrime = cnt % test
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if isPrime == 0:
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break
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if isPrime != 0 :
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print cnt
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