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 Showing results 1 to 25 of 141 Search took 0.03 seconds. Search: Posts Made By: kuratkull
 2021-04-05, 20:41 Replies: 267 Views: 43,222 Posted By kuratkull Base 42 is done to n=100k 2 primes reported in... Base 42 is done to n=100k 2 primes reported in other thread. Planning to continue, so reserving up to n=150k
 2021-04-05, 20:39 Replies: 245 Sticky: Carol / Kynea Primes Views: 40,193 Posted By kuratkull Base 42 tested to n=100k (continuing) Two... Base 42 tested to n=100k (continuing) Two primes found: (42^33475+1)^2-2 is 3-PRP! (135.6747s+0.0009s) (42^40891-1)^2-2 is 3-PRP! (199.4855s+0.0010s)
 2021-03-06, 17:16 Replies: 267 Views: 43,222 Posted By kuratkull I'm reserving base 42 to 100k with the intent to... I'm reserving base 42 to 100k with the intent to take it further if all goes well.
 Forum: Riesel Prime Search 2021-03-06, 09:13 Replies: 1,963 Views: 202,072 Posted By kuratkull 195*2^4685711-1 is prime! (1410542 decimal... 195*2^4685711-1 is prime! (1410542 decimal digits) https://primes.utm.edu/primes/page.php?id=132121 k<300 highest Nash weight k delivers again.
 Forum: Riesel Prime Search 2021-02-02, 12:40 Replies: 1,027 Views: 132,675 Posted By kuratkull progress report: k=193 at n=4.6M k=195... progress report: k=193 at n=4.6M k=195 at n=4.6M k=197 at n=4.6M
 Forum: Riesel Prime Search 2020-11-04, 06:56 Replies: 1,963 Views: 202,072 Posted By kuratkull 195*2^4373994-1 is prime! (1316706 digits) ... 195*2^4373994-1 is prime! (1316706 digits) https://primes.utm.edu/primes/page.php?id=131376 Non-essential fun facts: 1) k=195 is the highest Nash weight k in RSP k<300, with a weight of...
 Forum: Riesel Prime Search 2020-09-21, 05:55 Replies: 1,027 Views: 132,675 Posted By kuratkull 3 month update: k=193 at n=4.2M k=195 at... 3 month update: k=193 at n=4.2M k=195 at n=4.2M k=197 at n=4.2M continuing all (rieselprime.de updated)
 Forum: Riesel Prime Search 2020-07-02, 12:33 Replies: 409 Views: 66,650 Posted By kuratkull llrCUDA works, I have been running one for... llrCUDA works, I have been running one for months. But it's slow, much slower than a CPU in the same class . I am getting 1.1ms per iteration on n=3.8M on a 1080TI While the same n is getting 0.271...
 Forum: Riesel Prime Search 2020-06-11, 14:11 Replies: 1,027 Views: 132,675 Posted By kuratkull 3 month update: k=193 at n=3.7M k=195 at... 3 month update: k=193 at n=3.7M k=195 at n=3.7M k=197 at n=3.7M continuing all (will also update and link from rieselprime.de)
 Forum: PrimeNet 2020-05-19, 06:17 Replies: 4 Views: 2,476 Posted By kuratkull I can appreciate strict primality over PRP of... I can appreciate strict primality over PRP of course. But I would like to point out that the likelihood PRPs the size of this specific number being Fermat liars is in the neighborhood of 10-50000. So...
 Forum: Hardware 2020-04-30, 16:03 Replies: 3 Views: 2,041 Posted By kuratkull Take a bunch of reasonably sized primes from... Take a bunch of reasonably sized primes from Top5k or from the forums and run them.
 Forum: Software 2020-04-22, 06:21 Replies: 300 Views: 56,460 Posted By kuratkull Printing Carriage Return instead of the Newline... Printing Carriage Return instead of the Newline symbol does that to a line. Also I wouldn't say "Probabilistic vs Deterministic" is the reason we use the LLR test vs the Fermat test. The LLR test is...
 Forum: Cloud Computing 2020-04-14, 14:07 Replies: 1,142 Views: 98,180 Posted By kuratkull Indeed it randomly notifies about the lapsing of... Indeed it randomly notifies about the lapsing of the 10-12 hours by saying my session was inactive, though of course it wasn't. I think it's just a mistake on their part. I have an automated setup...
 Forum: Cloud Computing 2020-04-13, 06:32 Replies: 43 Views: 11,274 Posted By kuratkull I am sure Google tries its best so that users... I am sure Google tries its best so that users wouldn't see that. But I can see how instances could be unavailable for a short time in times of congestion. Other than that one brief time when it...
 Forum: Cloud Computing 2020-04-08, 14:55 Replies: 43 Views: 11,274 Posted By kuratkull Just happened to both of my accounts. Got... Just happened to both of my accounts. Got backends again a short time later.
 Forum: GPU to 72 2020-04-07, 15:27 Replies: 208 Views: 33,226 Posted By kuratkull Just a note: You can not (usually) copyright a... Just a note: You can not (usually) copyright a word/name. A word/name needs a (possibly registered) trademark. What you may have on your hands with GPU72 is a...
 Forum: Cloud Computing 2020-04-07, 08:02 Replies: 43 Views: 11,274 Posted By kuratkull CPU instances (for LLR64) have been... CPU instances (for LLR64) have been stable/predictable for the last couple of weeks. I use two accounts with 4 instances each. They both get about 12 hours of runtime a day. Both accounts expire and...
 Forum: Prime Wiki 2020-04-03, 21:37 Replies: 199 Sticky: Prime-Wiki Views: 46,242 Posted By kuratkull My previous comment was actually distressed about... My previous comment was actually distressed about the suggestion of removing the k<300 table. That table seems very well defined and grows slowly. On the other hand the table for 'all' k's is indeed...
 Forum: Prime Wiki 2020-04-03, 18:29 Replies: 199 Sticky: Prime-Wiki Views: 46,242 Posted By kuratkull The table is the most useful thing in the whole... The table is the most useful thing in the whole wiki. It allows visual analysis and is just beautiful to look at. The HTML for the list of all Riesel k's is 50KB. That's nothing, your average cat...
 Forum: Information & Answers 2020-03-21, 14:35 Replies: 12 Views: 4,987 Posted By kuratkull Why would it be less than 100%? You want it to do... Why would it be less than 100%? You want it to do work, so it does work on the cores you give to it.
 Forum: Software 2020-03-20, 14:46 Replies: 14 Views: 4,965 Posted By kuratkull Hi, just to chip in about CPU issues. The... Hi, just to chip in about CPU issues. The GenuineIntel doesn't matter, all CPU's are genuine. Nobody makes "counterfeit Intel CPUs", well not working ones at least. To know if it's an ES you can look...
 Forum: Programming 2020-03-18, 14:29 Replies: 51 Views: 20,667 Posted By kuratkull R.D. Silverman - I think you mixed me up with the... R.D. Silverman - I think you mixed me up with the OP. I am not trying to implement anything, I already did: https://github.com/dkull/rpt Most of the stuff you commented on was left out/ignored for...
 Forum: Programming 2020-03-18, 13:41 Replies: 51 Views: 20,667 Posted By kuratkull Doing some back-of-the-napkin math here, which... Doing some back-of-the-napkin math here, which might not be correct - I am not a mathematician, but a software engineer. We have N=2^n-1. Let's assume n "tries" to get 1 as a result of the mod...
 Forum: Programming 2020-03-17, 13:23 Replies: 51 Views: 20,667 Posted By kuratkull Prime95, LLR64, and even my own implementation... Prime95, LLR64, and even my own implementation use the gwnum library for the core multiplication/subtraction/modulus, not the builtin %, which works only on native ints. Before I wrote my final...
 Forum: Programming 2020-03-17, 12:28 Replies: 51 Views: 20,667 Posted By kuratkull This interests me too because I implemented the... This interests me too because I implemented the LLR test (for Riesel primes, but works on Mersenne primes too, just set k=1 )[ https://github.com/dkull/rpt/ ] (https://github.com/dkull/rpt]) and...
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