tables of p(n) and/or pi(n) / tables of primes

[Hans Havermann]

On Sep 19, 2005, at 6:53 AM, cino hilliard wrote:

> I have computed and stored all primes < 100 billion in a 45 gig file.

How much extra time would the base conversion/compression add to  
accessing the database for real-time arithmetic? For example, how  
long would it take you to sum the first billion primes?
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