The book is now available! 5246
(just those submitted by Rivera)
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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.

Just showing those entries submitted by 'Rivera': (Click here to show all)

+ In which non-trivial calendar year must a man be born, who lives no more than 100 years, in order that both his age and the calendar year are never simultaneously prime numbers? Answer: In the year 5246. This is the earliest year this happens. [Rivera]

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