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-   -   Mersenne number factored (disbelievers are biting elbows) (https://www.mersenneforum.org/showthread.php?t=19407)

axn 2017-09-18 04:10

[QUOTE=Dubslow;467981]Is this possibly the mysterious contributor who's added these factors to FDB? I've only barely skimmed both threads in question, but I believe this might be the culprit this thread is looking for.

Edit: Nevermind, that was about composite Mersennes, which as far as I can tell have only small prime factors -- not the large-ish primes above 1000 as are in question here.[/QUOTE]

Actually, it is quite possible that it was indeed ryanp who did this. Clearly it was someone with a lot of resources, running deep ECM on multiple exponents. ryanp has been known to do lot of these over wide variety of candidates, including cunningham table stuff. These "low" prime exponent mersennes definitely qualifies.

Prime95 2017-09-19 03:52

To those that have been running PRP tests on Mersenne cofactors:

Could you try submitting your PRP results to the primenet server? James has been upgrading the manual forms and I've been upgrading the database.

Please let us know what does not work.

axn 2017-09-19 04:48

Are there integrations between the two dbs so that results from one will flow into the other? Or should it be submitted to both?

Prime95 2017-09-19 12:47

I didn't know James was collecting the data. He just emailed me what he has. Once we get our act together, submitting results to Primenet will automatically be picked up by mersenne.ca.

Prime95 2017-09-19 12:57

Mersenne.ca's PRP data does not have the 64-bit residue or user that ran the test. So, I still need those of you who ran PRP tests on Mersenne cofactors to submit the results using the manual web forms. It is OK to submit PRP results even if another factor was found at a later date.

alpertron 2017-09-19 13:40

I submitted the PRP data for M5641931 but I got the following error:

[code]Found 3 lines to process.
processing: PRP=(false) for M5641931/11283863/180541793/217191775777/22553985486244307897/23294857194594233111
Error code: 11, error text: Update t_gimps_cofactor_PRP_results making M5641931 verified failed[/code]

I performed tens of thousands of PRP tests, but after sending the results to James' database I deleted them, because Primenet did not accept these results.

GP2 2017-09-19 13:52

[QUOTE=alpertron;468093]I submitted the PRP data for M5641931 but I got the following error:

[code]Found 3 lines to process.
processing: PRP=(false) for M5641931/11283863/180541793/217191775777/22553985486244307897/23294857194594233111
Error code: 11, error text: Update t_gimps_cofactor_PRP_results making M5641931 verified failed[/code][/QUOTE]

I am getting the same error message.

I still have most of my results.txt files, going back more than a year, including nearly all of the tests that were done for exponents larger than 4M.

GP2 2017-09-19 14:42

I added some PRP worktodo lines reserved from mersenne.ca into the worktodo file in a directory where UsePrimenet=1 is in effect.

As recently as a few days ago, upon completion the Primenet server would reject those results with an error message saying something like "unknown work type". Now it seems to accept the actual result, but then it says:

[CODE]
PrimeNet error 40: No assignment
No CPU credit given for test of already factored M6600067
Done communicating with server
[/CODE]

This exponent was never reported before to either mersenne.ca or mersenne.org, and was only reserved by me at mersenne.ca a few hours earlier, so no one else worked on or reported this exponent either.

Did the server accepting these automated submissions (for M6600067, M660053, and a couple of others pending, or will they need to be submitted through the manual form once that is debugged?

Prime95 2017-09-19 21:07

[QUOTE=GP2;468100]
As recently as a few days ago, upon completion the Primenet server would reject those results with an error message saying something like "unknown work type". Now it seems to accept the actual result, but then it says:

[CODE]
PrimeNet error 40: No assignment
No CPU credit given for test of already factored M6600067
Done communicating with server
[/CODE]

Did the server accepting these automated submissions (for M6600067, M660053, and a couple of others pending, or will they need to be submitted through the manual form once that is debugged?[/QUOTE]

My apologies. I tested this stuff on the test server using prime95 version 29.4 which returns more information (PRP_base and number_of_known_factors). Without this information, the result is being treated as a PRP test using no known factors. Of course, since there are known factors, the server thinks these PRP tests are useless.

Unless I can think of something clever, these results will have to be sent to the server using the manual web pages.

Prime95 2017-09-19 21:10

[QUOTE=GP2;468094]I am getting the same error message.

I still have most of my results.txt files, going back more than a year, including nearly all of the tests that were done for exponents larger than 4M.[/QUOTE]


How about emailing these to me and tell me what GIMPS userid you'd like them submitted under.

GP2 2017-09-19 23:29

[QUOTE=Prime95;468122]Unless I can think of something clever, these results will have to be sent to the server using the manual web pages.[/QUOTE]

The manual results page is still giving that error code 11, though.


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