The book is now available! 99999...06069 (100-digits)
(another Prime Pages' Curiosity)
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                                            9999999999 9999999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9886006069
+ The largest prime number under a googol that has no prime substrings in its digits. [Gaydos]




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