The book is now available! 77777...77777 (83-digits)
(another Prime Pages' Curiosity)
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                                                              777 7777777777
7777777777 7777777777 7777777222 7777777777 7777777777 7777777777 7777777777
+ The largest special wing prime with central number 222, less than a googol. [Loungrides]




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