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Message boards : General discussion : possibility of finding a prime

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dannyridel
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Joined: 3 Feb 19
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Message 130312 - Posted: 10 Jun 2019 | 11:52:18 UTC

Can anybody tell me the possibilty (average 1 in x tasks) that we can find a prime in each of the subprojects?
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My lucky number is 6219*2^3374198+1

Honza
Volunteer moderator
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Project scientist

Joined: 15 Aug 05
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Message 130316 - Posted: 10 Jun 2019 | 12:54:55 UTC

See Is there a 'probability of finding a prime' listed anywhere? for example.

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My stats
Badge score: 1*1 + 5*1 + 8*3 + 9*11 + 10*1 + 11*1 + 12*3 = 186

Nicholas Peter Bamber

Joined: 23 Dec 18
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Message 130419 - Posted: 15 Jun 2019 | 8:53:31 UTC - in response to Message 130312.

If you go to the subproject page and look at the range statistics you can get a feel for what your chances are. Or alternatively join a large team and compare how many primes your team members have found compared to their credits.[/url]

Roger
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Message 130432 - Posted: 16 Jun 2019 | 9:09:03 UTC

Some of the sub-projects have chance of prime discussions:
321 Prime Search
Prime Sierpinski Problem
The Riesel Problem
Sierpinski/Riesel Base 5 Problem
Generalized Fermat Prime Search

If you could find out the number of tasks in a range you can calculate the possibility (average 1 in x tasks) of finding a prime.

Message boards : General discussion : possibility of finding a prime