The book is now available! 496
(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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The smallest triangular number such that the sum of its digits cubed is prime. Note that 496 is the third perfect number. [Earls]


  Submitted: 2002-01-11 16:39:34;   Last Modified: 2008-01-30 11:28:00.

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