The book is now available! 19
(another Prime Pages' Curiosity)
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19 is the only known prime of the form n^n - 8. The next prime in this form (if it exists) will have more than 34000 digits. [Firoozbakht]

 

  Submitted: 2009-11-22 00:06:34;   Last Modified: 2009-11-22 22:58:20.



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