mersenneforum.org Search Results
 Register FAQ Search Today's Posts Mark Forums Read

 Showing results 1 to 25 of 30 Search took 0.01 seconds. Search: Posts Made By: Branger
 Forum: Factoring 2021-10-21, 18:55 Replies: 38 Views: 9,572 Posted By Branger Well, apparently not. Let's try that again. Well, apparently not. Let's try that again.
 Forum: Factoring 2021-10-21, 17:07 Replies: 38 Views: 9,572 Posted By Branger And another batch finished: 2^363-291 =... And another batch finished: 2^363-291 = 4094013899900989030912375965276208433376145195035983021 * 4589222489607338458027850363512336418671632190977908977 2^363+163109
 Forum: Factoring 2021-08-24, 12:45 Replies: 38 Views: 9,572 Posted By Branger Four more base-2 brilliant numbers: ... Four more base-2 brilliant numbers: 2^359-123577 = 818923988648227215894707705730371540540812518512510431 * 1433919762596343433061717035212209825301021813200029081 2^359+14621
 Forum: Factoring 2021-08-18, 07:41 Replies: 49 Views: 25,063 Posted By Branger The ECM run finished overnight, so I could at... The ECM run finished overnight, so I could at least add four factors for those ten remaining composites. I started a t30 run for 10^149+c, I expect to upload those results later today since those...
 Forum: Factoring 2021-08-17, 16:18 Replies: 49 Views: 25,063 Posted By Branger I'm willing to throw some cycles on this. For... I'm willing to throw some cycles on this. For now, I have started a t30 on a laptop, should finish in a day or two.
 Forum: Factoring 2021-07-19, 08:12 Replies: 49 Views: 25,063 Posted By Branger Another 171 SNFS factorizations show that ... Another 171 SNFS factorizations show that 10^173 + 46323 = 219678541518943592018357235810696621038534586888886266590632787250688693297392179181097 *...
 Forum: Factoring 2021-04-25, 06:52 Replies: 38 Views: 9,572 Posted By Branger And six more base-2 brilliant number, one of... And six more base-2 brilliant number, one of which took much longer than expected to find.. 2^353-4203 = 125269909676882800262400105725282077739582106921689791 *...
 Forum: Factoring 2021-03-24, 21:00 Replies: 38 Views: 9,572 Posted By Branger I tried to look for brilliant numbers of the form... I tried to look for brilliant numbers of the form 2^351+-c, and at least these ones were not in the factordb previously. 2^351-37629 = 54108213336623751930603114360343420697261006546122961...
 Forum: Factoring 2021-02-26, 20:08 Replies: 38 Views: 9,572 Posted By Branger It seems I forgot to post the proof files I had,... It seems I forgot to post the proof files I had, thank you for the reminder.
 Forum: Factoring 2020-12-30, 17:14 Replies: 38 Views: 9,572 Posted By Branger I played around a bit with creating a python... I played around a bit with creating a python script to find base-2 brilliant numbers and found several, but all of them were previously reported to factordb.com. I'm starting to suspect that there...
 Forum: Factoring 2020-12-10, 09:06 Replies: 49 Views: 25,063 Posted By Branger Another 60 SNFS factorizations revealed that ... Another 60 SNFS factorizations revealed that 10^171-16569 = 10026073074372053022855343749617316836566548448825765741868691467529514155418582501607 * ...
 Forum: Factoring 2020-12-07, 21:36 Replies: 4 Views: 1,533 Posted By Branger At some point I played around with a similar... At some point I played around with a similar scheme, but instead of multiplying all c# coefficients with -1, I tried a small positive multiplier such as 2-5, before feeding the polynomials to msieve...
 Forum: Factoring 2020-11-13, 20:52 Replies: 49 Views: 25,063 Posted By Branger The next one was quicker and only required 27... The next one was quicker and only required 27 SNFS factorizations. 10^171+7467 = 15982339170654488061693029140006521400812407348641102533477071444640746972955602480993 *...
 Forum: Factoring 2020-11-02, 19:50 Replies: 49 Views: 25,063 Posted By Branger And finally here are the proof files for... And finally here are the proof files for 10^165+-c.
 Forum: Factoring 2020-11-01, 15:46 Replies: 49 Views: 25,063 Posted By Branger Continuing this work for 10^169-c, I have found... Continuing this work for 10^169-c, I have found that, 10^169-14319 = 2093963760229909907466815025292144577767961972509185032132596865267781491968551925027 *...
 Forum: Factoring 2020-08-30, 20:47 Replies: 49 Views: 25,063 Posted By Branger And an additional 90 SNFS factorizations show... And an additional 90 SNFS factorizations show that 10^169 + 25831 = 1578640553322706420836164892965282526510795833878698113106432074544532020287270837641 * ...
 Forum: CADO-NFS 2020-08-10, 12:51 Replies: 23 Views: 13,365 Posted By Branger Some additional details about the RSA-240... Some additional details about the RSA-240 factorization, as well as the discrete log done at the same time can be found at: https://eprint.iacr.org/2020/697
 Forum: Factoring 2020-05-01, 09:55 Replies: 49 Views: 25,063 Posted By Branger The next one took much longer, requiring 140 SNFS... The next one took much longer, requiring 140 SNFS factorizations, but now I am happy to report that 10^167-38903 = ...
 Forum: Factoring 2019-12-15, 17:22 Replies: 49 Views: 25,063 Posted By Branger For the next one I had a bit more luck and found... For the next one I had a bit more luck and found it after only 20 SNFS factorizations. 10^167+6453 = 203214913448641292965085614133875784826110271627178496334164562386280018360230767193 * ...
 Forum: Factoring 2019-11-21, 17:36 Replies: 49 Views: 25,063 Posted By Branger And after another 100 SNFS factorizations, I am... And after another 100 SNFS factorizations, I am happy to report that 10^165-27557 = 16829650665340802699068436862241855809551030170255430771254420510677298883957782921 *...
 Forum: Factoring 2019-10-22, 07:47 Replies: 13 Views: 3,883 Posted By Branger https://onlinelibrary.wiley.com/doi/full/10.1002/c... https://onlinelibrary.wiley.com/doi/full/10.1002/cpe.2896 Is a later version of the paper compared to the conference paper in the original post. The paper does seem to focus on block Wiedemann,...
 Forum: Factoring 2019-10-15, 19:41 Replies: 49 Views: 25,063 Posted By Branger I did do some rather extensive sieving which... I did do some rather extensive sieving which probably got me a lot more relations having a smaller largest prime. This allows me to reduce the lbpr/a bounds a bit compared to yours. I had hoped that...
 Forum: Factoring 2019-10-15, 17:17 Replies: 49 Views: 25,063 Posted By Branger I'm using a shared rational polynomial and vary... I'm using a shared rational polynomial and vary the algebraic one, which may cause some differences to your results. To factor an SNFS-165, about 500M relations needs to be batch smoothness checked,...
 Forum: Factoring 2019-10-14, 18:34 Replies: 49 Views: 25,063 Posted By Branger As it happens, the relations I had already found... As it happens, the relations I had already found were useful here as well, to factor numbers of the form 10^165+c with a degree 3 polynomial. After 90 SNFS factorizations, I am happy to report that ...
 Forum: Factoring 2019-09-05, 15:03 Replies: 15 Views: 3,072 Posted By Branger I have encountered something similar, but as I... I have encountered something similar, but as I recall it only happened rarely and I never got around to figuring out what was wrong. It does seem to be something related to linking MPIR to the...
 Showing results 1 to 25 of 30

All times are UTC. The time now is 13:51.

Fri Dec 3 13:51:28 UTC 2021 up 133 days, 8:20, 0 users, load averages: 0.96, 1.16, 1.16