The book is now available! 106
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The sum of the first 106 digits of pi is prime. [Sellers]

+ 1062-(532-22) is prime, where 53 and 2 are prime factors of 106. [Bajpai]

+ 106^106-105^105 is prime. [Dobb]

+ The first occurrence of over 100 successive non-semiprimes (5238280947-5238281052). [Luhn]

+ The smallest multidigit invertible semiprime. Note that it ends with the smallest single-digit invertible semiprime. [Capelle]

(There is one curio for this number that has not yet been approved by an editor.)

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