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 Showing results 1 to 25 of 1000 Search took 0.20 seconds. Search: Posts Made By: alpertron
 Forum: Data 2022-08-16, 13:38 Replies: 187 Views: 16,027 Posted By alpertron I finished the ranges 17.6M and 17.8M. Now they... I finished the ranges 17.6M and 17.8M. Now they have 4000 exponents with known factors. I will continue with the range 17.1M.
 Forum: PrimeNet 2022-07-05, 12:13 Replies: 2,498 Views: 316,278 Posted By alpertron It appears that there is a problem in the key... It appears that there is a problem in the key "i". In the same sentence "avalable" should be "available".
 Forum: Data 2022-06-18, 16:00 Replies: 187 Views: 16,027 Posted By alpertron I want to reserve 17.6M, 17.7M and 17.8M. ... I want to reserve 17.6M, 17.7M and 17.8M. The range 17.1M requires extra TF that I cannot perform because I do not have a powerful GPU.
 Forum: Data 2022-06-17, 19:34 Replies: 187 Views: 16,027 Posted By alpertron Now all these ranges have 4000 exponents with... Now all these ranges have 4000 exponents with known prime factors. So I unreserve them.
 Forum: mersenne.ca 2022-06-12, 12:55 Replies: 2 Views: 321 Posted By alpertron It is working OK. Thanks. It is working OK. Thanks.
 Forum: mersenne.ca 2022-06-11, 13:57 Replies: 2 Views: 321 Posted By alpertron Change in the tool to find P-1 done with the worst bounds I found that when the exponent is less than 10M, you can see Mersenne numbers with probabilities that have been factoring using P-1 from 0% to 19.9%. If you enter a range of exponents greater than...
 Forum: Programming 2022-06-02, 12:21 Replies: 39 Views: 24,487 Posted By alpertron I've just uploaded to the Web server a new... I've just uploaded to the Web server a new version of the polynomial root calculator. Now it can compute the exact roots of quintic equations when the Galois group is 5 (all five roots are real). In...
 Forum: GPU to 72 2022-05-22, 04:05 Replies: 4 Views: 542 Posted By alpertron I've just imported the factoring limits report... I've just imported the factoring limits report from 49.9M to 50M (the URL is https://www.mersenne.org/report_factoring_effort/?exp_lo=49900000&exp_hi=50000000&bits_lo=1&bits_hi=99&tftobits=72) to...
 Forum: Factoring 2022-05-13, 17:12 Replies: 86 Sticky: Links to factoring programs Views: 90,880 Posted By alpertron The first site is limited to 70 digits and the... The first site is limited to 70 digits and the Magma calculator failed when trying to factor a 70-digit composite number: print Factorization(10^69+2607) returns: The computation exceeded the time...
 Forum: Factoring 2022-05-13, 11:40 Replies: 86 Sticky: Links to factoring programs Views: 90,880 Posted By alpertron Notice that the third to the sixth links point to... Notice that the third to the sixth links point to calculators that can only factor small numbers.
 Forum: Factoring 2022-05-12, 21:16 Replies: 86 Sticky: Links to factoring programs Views: 90,880 Posted By alpertron I would need some moderator to change the first... I would need some moderator to change the first post of this thread. "Java ECM (java applet)" should be changed to "HTML5/Javascript/WebAssembly web application." (or "web application" if the...
 Forum: GPU to 72 2022-04-27, 03:36 Replies: 4 Views: 542 Posted By alpertron Thanks for the update. Notice that in the... Thanks for the update. Notice that in the range 49.x the Avg B2 values are wrong if the numbers in the Low P-1 column are correct.
 Forum: GPU to 72 2022-04-26, 12:45 Replies: 4 Views: 542 Posted By alpertron Error in Low Composite Cleanup page At this moment I'm running P-1 algorithm on the range M16.0 using bounds B1 = 1M, B2 = 500M. I found that the numbers in the columns named Low P-1 and Avg B2 in https://www.gpu72.com/low/ do not...
 Forum: Data 2022-04-23, 18:48 Replies: 187 Views: 16,027 Posted By alpertron I'm working on the range 16.1M to have at least... I'm working on the range 16.1M to have at least 4000 numbers factored (there were only 5 factors missing and I found 3). After finishing this range I will continue with 16.0M, 15.3M, 16.5M, 16.8M and...
 Forum: Data 2022-04-11, 17:33 Replies: 1,409 Views: 192,621 Posted By alpertron According to https://mersenne.ca, there is a new... According to https://mersenne.ca, there is a new factor for 8.1 and 8.7 per day and a new factor for 15.6 in 2 days. This means that these ranges should be finished in about one week. So no help...
 Forum: Data 2022-04-11, 15:11 Replies: 1,409 Views: 192,621 Posted By alpertron I found that the range 15.20M to 15.22M has no... I found that the range 15.20M to 15.22M has no P-1 done. If you want, I can run P-1 in that range.
 Forum: Data 2022-04-10, 23:35 Replies: 1,409 Views: 192,621 Posted By alpertron With the new factor of M18868373, the range 18.8M... With the new factor of M18868373, the range 18.8M is finally below 2000.
 Forum: Data 2022-04-09, 15:10 Replies: 1,409 Views: 192,621 Posted By alpertron I found two new factors, so everything (software... I found two new factors, so everything (software and hardware) is OK: Manual testing 18871889 F-PM1 2022-04-09 12:39 0.0 Factor: 409345190904906788363497 / (P-1, B1=1000000,...
 Forum: Data 2022-04-08, 16:55 Replies: 1,409 Views: 192,621 Posted By alpertron I'm working on the range 18.8M, but for several... I'm working on the range 18.8M, but for several days there was no factorization: Manual testing 18866857 NF-PM1 2022-04-08 16:50 0.0 B1=1000000, B2=500458530 29.8282 Manual...
 Forum: Data 2022-04-01, 01:51 Replies: 1,409 Views: 192,621 Posted By alpertron There is a missing comma in the first line:... There is a missing comma in the first line: 4,209961,589,561,203 In the last line (49.9M) there are 1214 numbers with low P-1. This means that 1980 - 1214 = 766 numbers have P-1 done with B2 >...
 Forum: PrimeNet 2022-03-27, 12:45 Replies: 131 Views: 33,231 Posted By alpertron Numbers on that range can be reserved for 10 days... Numbers on that range can be reserved for 10 days only. So after this period, either the numbers are processed, or unreserved.
 Forum: PrimeNet 2022-03-25, 23:42 Replies: 4 Views: 740 Posted By alpertron Assign credit to proper computer when using manual submission form I'm running P-1 in a computer labeled i5_11400, but Prime95 does not communicate directly with Prime95. I use the manual submission form to send the contents of the file results.json.txt Each line...
 Forum: Data 2022-03-25, 15:51 Replies: 1,409 Views: 192,621 Posted By alpertron Ok. I will start as soon the range 14.1M is... Ok. I will start as soon the range 14.1M is complete.
 Forum: Data 2022-03-25, 14:58 Replies: 1,409 Views: 192,621 Posted By alpertron There are only two factors missing in my range... There are only two factors missing in my range 14.1M. If you want, I can reserve the range 18.85M to 18.9M.
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