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2020-12-03, 17:53
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#1 |
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Oct 2020
Terre Haute, IN
59 Posts |
List of exponents which have already been factored?
Is there a list in progress showing all exponents which have been or are currently being factored? And for exponents which have already been factored, does Prime95 give a message that a particular exponent has already been factored?
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2020-12-03, 18:45
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#2 |
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6809 > 6502
"""""""""""""""""""
Aug 2003
101×103 Posts
23·7·167 Posts |
The database on PrimeNet does track known factors. It is too large to be included in the program Prime95. If you request to do a PRP on an exponent with a known factor, PrimeNet won't give you an assignment ID.
You can see the factors here: https://www.mersenne.org/report_expo...=2&exp_hi=9999 Or if you want to see exponents that have no known factor : https://www.mersenne.org/report_fact...99&tftobits=72 |
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2020-12-05, 07:09
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#3 |
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Bemusing Prompter
"Danny"
Dec 2002
California
22·3·197 Posts |
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2020-12-07, 08:02
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#4 |
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Romulan Interpreter
Jun 2011
Thailand
926510 Posts |
James of mersenne.ca has all of them nicely zipped periodically, you can ask him nicely for a download link. I used to get all the zips from him in the past, for backup purposes, I have them somewhere, but not updated for a long time. The archives are "gigabytes" al together... (the exponents go to 10G, which is 10 times the GIMPS range).
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