The book is now available! 99999...99959 (88-digits)
(another Prime Pages' Curiosity)
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                                                         99999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999999959
+ The largest prime that can be written, one digit per key, on a standard 88-key piano. [Patterson]




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