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By: a guest on Feb 3rd, 2013  |  syntax: Python  |  size: 0.89 KB  |  views: 51  |  expires: Never
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  1. #!/usr/bin/env python
  2.  
  3. def isPrime(num):
  4.     for x in range(2, (int(num**.5)+1)):
  5.         if num % x == 0:
  6.             return False
  7.     return True
  8.  
  9.  
  10. if __name__ == '__main__':
  11.    
  12.     prime_numbers = []
  13.    
  14.     for x in range(2, 1000000):
  15.         if isPrime(x):
  16.             prime_numbers.append(x)
  17. #    print prime_numbers
  18.    
  19.    
  20.     totalprime = 0
  21.     for num in prime_numbers:
  22.         num = str(num)
  23.         num1 = list(num)
  24. #        total = []
  25.         primecount = 0
  26.         for y in num1:
  27.             temp = num1.pop(0)
  28.             num1.append(temp)
  29.             total = ''
  30.             for x in num1:
  31.                 total += x
  32.             intTotal = int(total)
  33.    
  34.             if isPrime(intTotal):
  35.                 primecount += 1
  36.                 if primecount == len(num):
  37.                     totalprime += 1
  38.     print "Total number of primes is:", totalprime
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