The book is now available! 703
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ 703 is equal to the alternating sum and difference of the squares of the integers from 1 to 703's largest prime factor. [Ohlson]

+ 703 is the smallest base-3 strong pseudoprime that does not have the form (3^p-1)/2, where p is prime.

+ 703 is the only composite number less than two thousand that is a strong pseudoprime to more than one of the first four primes (to both bases 7 and 3).

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

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