The book is now available! 17863
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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Primes p > 17863 have the property that when n=8925p, a unique subset of the proper divisors of n sum to n. [McCranie]


  Submitted: 2002-02-07 13:14:41;   Last Modified: 2008-07-21 11:39:07.

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