The book is now available! 61
(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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Figurately speaking, 61 is both the 6th (6*1) centered square number and the 5th (6-1) centered hexagonal number. [Post]


  Submitted: 2004-10-06 21:17:42;   Last Modified: 2009-08-22 12:31:37.

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