The book is now available! 17
(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 Lo Shu (雒書) is a unique magic square that contains exactly 17 primes according to word search rules. Can you find them all? [Honaker]


  Submitted: 2018-04-17 14:39:38;   Last Modified: 2018-04-18 16:31:24.

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