The book is now available! 909090909090909091
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                         90909090 9090909091
+ (1019 + 1)/11. (Like the number itself, this contains only the digits 0, 1, and 9.) [Pickover]

+ The only known prime that is the quotient of a repunit number divided by the product of two repunit primes, i.e., R38/(R2*R19). [Loungrides]




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