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 Showing results 1 to 25 of 1000 Search took 0.34 seconds. Search: Posts Made By: Prime95
 Forum: Data 2021-04-14, 03:33 Replies: 15 Views: 314 Posted By Prime95 Yes, useless. I'm not even sure it will be... Yes, useless. I'm not even sure it will be useful to the let's get number of unfactored exponents below 20M crowd. The biggest advantage I see to studying P+1 is that stage 2 should be faster...
 Forum: Data 2021-04-14, 00:09 Replies: 15 Views: 314 Posted By Prime95 Lookup M4933 at mersenne.ca to see how 14620...... Lookup M4933 at mersenne.ca to see how 14620... factors. To make understanding the P+1 algorithm even more complicated, the 50% of the time the algorithm misses P+1 factors, the algorithm was...
 Forum: Data 2021-04-14, 00:04 Replies: 15 Views: 314 Posted By Prime95 Caveat: I'm not a P+1 expert. When we... Caveat: I'm not a P+1 expert. When we do P-1 on Mersenne numbers factors are of the form f=2kp+1, thus we find a factor f when k=(f-1)/(2p) is B1/B2-smooth. With P+1, factors are of the...
 Forum: Data 2021-04-13, 20:18 Replies: 15 Views: 314 Posted By Prime95 P+1 stage 1 would be a little less than twice as... P+1 stage 1 would be a little less than twice as slow as P-1 stage 1. P+1 stage 2 would be a little faster than P-1 stage 2. If prime95 supported P+1 it might produce output like this for a 2/7...
 Forum: Information & Answers 2021-04-12, 03:08 Replies: 12 Views: 367 Posted By Prime95 Please email prime.log and results.json.txt to... Please email prime.log and results.json.txt to me. Maybe I can figure out what's going on.
 Forum: Information & Answers 2021-04-11, 04:19 Replies: 12 Views: 367 Posted By Prime95 Looking at the error logs, I believe you found a... Looking at the error logs, I believe you found a factor for 110827351. I have submitted the result on your behalf. Here's what happened. A year or two ago we had a troublemaker trying to cause...
 Forum: Information & Answers 2021-04-11, 01:58 Replies: 12 Views: 367 Posted By Prime95 That could be part of the problem..... and... That could be part of the problem..... and Welcome to GIMPS and welcome to the forum! My email address is :woltman:
 Forum: Information & Answers 2021-04-10, 19:39 Replies: 12 Views: 367 Posted By Prime95 Not sure what has happened. Please PM/email... Not sure what has happened. Please PM/email prime.log to me. Go to https://www.mersenne.org/manual_result/ and copy the contents of results.json.txt then submit. Before a proof can be uploaded,...
 Forum: Marin's Mersenne-aries 2021-04-09, 16:31 Replies: 147 Views: 11,627 Posted By Prime95 There was code to expire PRP-CF assignments more... There was code to expire PRP-CF assignments more than 30 days old. It was broken. Hopefully fixed, the stored procedure will run tonight. I did change it to 60 days.
 Forum: Software 2021-04-09, 16:06 Replies: 136 Sticky: Prime95 v30.4/30.5 Views: 13,606 Posted By Prime95 Probably. Never tested. Probably. Never tested.
 Forum: PrimeNet 2021-04-08, 21:17 Replies: 13 Views: 625 Posted By Prime95 First time LL is no more The server no longer hands out first-time LL assignments. I've noted the news on the main page as well as the Manual Assignments page. Requests are converted to double-check assignments. Let me...
 Forum: Cloud Computing 2021-04-06, 04:44 Replies: 77 Views: 3,882 Posted By Prime95 It is credited as PRP-DC based on the time spent. It is credited as PRP-DC based on the time spent.
 Forum: Software 2021-04-05, 20:20 Replies: 136 Sticky: Prime95 v30.4/30.5 Views: 13,606 Posted By Prime95 Theoretically possible but I'm very afraid I'd... Theoretically possible but I'm very afraid I'd make a mistake. Even the most subtle change in initial state can affect how the primes are paired. You might try MaximumBitArraySize=n in prime.txt....
 Forum: Cloud Computing 2021-04-05, 16:43 Replies: 77 Views: 3,882 Posted By Prime95 You read between the lines well. The server... You read between the lines well. The server cannot prevent someone from taking a PRP assignment and turning it into an LL test. I'd prefer you do double-checks instead -- first time LL...
 Forum: Cloud Computing 2021-04-05, 07:26 Replies: 77 Views: 3,882 Posted By Prime95 Warning: Server will soon refuse to give first... Warning: Server will soon refuse to give first time LL tests. I haven't thought through all the details, most likely a double-check will be assigned. The server will still accept first-time LL...
 Forum: Marin's Mersenne-aries 2021-04-04, 23:52 Replies: 147 Views: 11,627 Posted By Prime95 Done. Let me know if you see cases where this is... Done. Let me know if you see cases where this is not working
 Forum: Marin's Mersenne-aries 2021-04-03, 19:36 Replies: 147 Views: 11,627 Posted By Prime95 I'm thinking of instituting a 60-day limit for... I'm thinking of instituting a 60-day limit for first-time/double-check PRPs and 30 days for PRP-CF.
 Forum: Marin's Mersenne-aries 2021-04-03, 17:30 Replies: 147 Views: 11,627 Posted By Prime95 They were PRP tested with proof. The server is... They were PRP tested with proof. The server is still waiting for the proof to be uploaded.
 Forum: Information & Answers 2021-03-29, 16:23 Replies: 9 Views: 357 Posted By Prime95 I suspect 8 would be faster and more likely to... I suspect 8 would be faster and more likely to have occasional successes. 5 is a little more noteworthy when you have a success. Your machine is well suited to either work preference.
 Forum: Software 2021-03-24, 15:47 Replies: 1 Views: 191 Posted By Prime95 I will add that information in the next release. I will add that information in the next release.
 Forum: Factoring 2021-03-23, 18:12 Replies: 12 Views: 598 Posted By Prime95 I'll let others answer your P-1 questions. ... I'll let others answer your P-1 questions. ECM may be the easier choice. Just get version 30.5 and set your available memory and work preference to ECM. All the B1/B2 choices will be made for...
 Forum: Software 2021-03-23, 18:05 Replies: 136 Sticky: Prime95 v30.4/30.5 Views: 13,606 Posted By Prime95 Pfactor uses slightly different optimization... Pfactor uses slightly different optimization criteria than "Pminus1=". Pfactor is optimizing for minimizing the total time spent doing P-1, LL, and DC. That is, it is maximizing the LL/DC CPU...
 Forum: Science & Technology 2021-03-23, 03:23 Replies: 189 Sticky: Poll: COVID vaccination wavefront Views: 9,180 Posted By Prime95 Got my vaccine (first shot) today! @LaurV: ... Got my vaccine (first shot) today! @LaurV: You just spent \$1700 on hardware but won't spring for a vaccine? Please reconsider - we need you here for the long haul!
 Forum: PrimeNet 2021-03-22, 22:57 Replies: 8 Views: 373 Posted By Prime95 Yes, but frowned upon. Ignore the discussion... Yes, but frowned upon. Ignore the discussion of Cudalucas and shift counts, etc. The issue is: "Is it acceptable to double-check your own results"? The server will accept your double-check, so...
 Forum: Software 2021-03-21, 05:58 Replies: 136 Sticky: Prime95 v30.4/30.5 Views: 13,606 Posted By Prime95 30.5 build 2 available. It fixes the one... 30.5 build 2 available. It fixes the one reported bug.
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