The book is now available! 991
(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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991, 99991, and 9999991 are each prime. [Avrutin]


  Submitted: 2002-09-11 06:13:41;   Last Modified: 2008-06-10 22:17:28.

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