The book is now available! 331997
(another Prime Pages' Curiosity)
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331997 = 1!1 + 2!2 + 3!3 + 4!4 is prime. [Poo Sung]

 

  Submitted: 2005-05-05 06:31:40;   Last Modified: 2008-07-31 20:33:08.


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