The book is now available! 85
(another Prime Pages' Curiosity)
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+ (8511 - 85)/11 ± 1 are twin primes. [Luhn]

+ Between 641 and 114689 (the second smallest Fermat divisor) there exist 85 prime numbers that could conceivably be Fermat divisors.

+ There are 85 five-digit primes that begin with 85. [Bopardikar]

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