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Jul 18th, 2019
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  1. b = 2
  2.  
  3. while b < 3:
  4.  
  5. def prime():
  6.  
  7. if intnumber == 2:
  8. return str("\n2 is a prime number.\n")
  9.  
  10. elif intnumber < 2:
  11. return str("\nProgram needs numbers greater than two.\n")
  12.  
  13. elif intnumber > 2:
  14. for x in range(2, intnumber-1):
  15. if intnumber % x != 0:
  16. continue
  17.  
  18. elif intnumber % x == 0:
  19. return str("\nThis is not a prime number because " + str(number) + " divided by " + str(x) + " has a remainder of zero.\n")
  20.  
  21. return str("\nThis is a prime number.\n")
  22.  
  23. number = (input('Please type a number and I will tell you if it is prime or not. Type "Exit" to exit the program: '))
  24.  
  25. try:
  26. intnumber = int(number)
  27. result = prime()
  28. print(result)
  29. continue
  30.  
  31. except ValueError:
  32. if number == 'Exit':
  33. print('\nYou have chosen to end the program. Goodbye.')
  34. break
  35.  
  36. elif number != "Exit":
  37. print('\nPlease either type "Exit" or a number.\n')
  38. continue
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