The book is now available! 181441
(another Prime Pages' Curiosity)
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181441 [(9!+2)/2 = 13*17*821] is the first number of the form (n!+2)/2 that is not prime or the square of a prime.


  Submitted: 2003-11-29 16:39:00;   Last Modified: 2008-01-30 11:28:00.

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