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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61 is the 7th prime of the form 3k+1 and 61 = (77+777)/(7+7). Note that seven 7's are used. [Firoozbakht]


  Submitted: 2004-07-22 00:21:29;   Last Modified: 2009-10-11 10:49:01.

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