makispaiktis

Are there 5 consecutive primes?

Jul 31st, 2021
830
Never
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  1. # Function 1 - isPrime
  2. def isPrime(n):
  3.     if n != int(n) or  n <= 1:
  4.         print("Error while using function '" + isPrime.__name__ + "'")
  5.         return -1000
  6.     if n == 1 or n == 2:
  7.         return True
  8.     for i in range(2, int(n/2)):
  9.         if n % i == 0:
  10.             return False
  11.     return True
  12.  
  13. # Function 2 - Create pentada
  14. def createPentada(n):
  15.     if n % 10 != 0:
  16.         print("Error while using function '" + isPrime.__name__ + "'")
  17.         return -1000
  18.     return [n+1, n+3, n+5, n+7, n+9]
  19.  
  20. # Function 3 - Solve
  21. def solve(LIMIT):
  22.     for n in range(0, LIMIT, 10):
  23.         pentada = createPentada(n)
  24.         hits = 0
  25.         for x in pentada:
  26.             flag2 = isPrime(x)
  27.             if flag2 == True:
  28.                 hits += 1
  29.             else:
  30.                 print("Number that breaks the sequence = " + str(x))
  31.                 break
  32.         if hits == 5:
  33.             return pentada
  34.  
  35.  
  36. # MAIN FUNCTION
  37. LIMIT = 10**5
  38. print(solve(LIMIT))
  39.  
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