14301RE: [PrimeNumbers] Prime generator
- Dec 31, 2003Cary,
Jud is right. If my calculations are correct, the number of primes
between 2*10^19 and 3*10^19 is about 2*10^17. If a program could
a million primes per second, it would still take 2*10^11 seconds, or
6000 years to generate them -- and a lot of storage.
Jud, what is the program you would use to generate a string of
consecutive 20-digit primes if you wanted say, 1000 or so of them?
From: Jud McCranie [mailto:j.mccranie@...]
Sent: Wednesday, December 31, 2003 12:36 PM
To: Cary Walker
Subject: Re: [PrimeNumbers] Prime generator
At 12:50 PM 12/31/2003, Cary Walker wrote:
I'm afraid this is going to be a trivial question for you: I am looking
>a program that will generate all the primes from ~2x10^19 to some largeYes, but if that is your lower bound, unless the upper bound isn't much
>upper bound. ...
> Is there a program that will generate all the primes in a
larger it will take too long to generate all of the primes or you will
out of space to store them.
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