The book is now available! 839
(another Prime Pages' Curiosity)
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The nth Prime Page will now find any of the first 2.623˙1015 primes or π(x) for x up to 1017.

+ Charles III the Fat (Holy Roman Emperor & II King of France) was born in the prime year 839.

+ (839 - 8)8 + (839 - 3)3 + (839 - 9)9 is prime. [Opao]

+ The largest prime factor of 453060, where 453060 is the size of the matrix of E_8. [Pol]

(There are 5 curios for this number that have not yet been approved by an editor.)

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