The book is now available! 5167
(another Prime Pages' Curiosity)
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+ 1 + 2*3 + 4*5*6 + 7*8*9*10 = 5167 is prime. [Poo Sung]

+ A prime expressed as 7! + 5! + 3! + 1!. [Patterson]

+ Obtained by subtracting one from the sum of the factorials of all single-digit primes. [Silva]

+ The largest prime less than a googol of the form p!+q!+q, where p, q are consecutive primes. [Loungrides]

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




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