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 Showing results 1 to 25 of 1000 Search took 0.50 seconds. Search: Posts Made By: gd_barnes
 Forum: No Prime Left Behind 2022-12-07, 15:07 Replies: 1,719 Views: 274,312 Posted By gd_barnes Max found: 917*2^1854642-1 is prime Max found: 917*2^1854642-1 is prime
 Forum: Conjectures 'R Us 2022-12-07, 15:04 Replies: 760 Sticky: Sieving for CRUS Views: 97,570 Posted By gd_barnes Sieving n=100K-250K is a good range. Just... Sieving n=100K-250K is a good range. Just checking: You will be sieving all of the k's at one time. Is that correct? There are no formal reservations for sieving. Just state here in this...
 Forum: Aliquot Sequences 2022-12-07, 10:00 Replies: 1,044 Views: 61,448 Posted By gd_barnes 52^92 terminates Releasing 283^65. Full ECM... 52^92 terminates Releasing 283^65. Full ECM (31%) on the C150.
 Forum: Aliquot Sequences 2022-12-07, 08:19 Replies: 2,108 Views: 250,666 Posted By gd_barnes In running the 120-digit effort, I have also made... In running the 120-digit effort, I have also made it a point that cofactors would be >=110 digits. In this vein, I did a project-wide search of other bases outside of my effort that are at 120...
 Forum: Conjectures 'R Us 2022-12-07, 06:29 Replies: 760 Sticky: Sieving for CRUS Views: 97,570 Posted By gd_barnes Base 2 is only a very small subset of what we do... Base 2 is only a very small subset of what we do here. We test all bases <=1030 and both sides. Not just base 2. That is k*b^n-1 and k*b^n+1. Base 2 is mostly already sieved by either PrimeGrid...
 Forum: FactorDB 2022-12-07, 01:07 Replies: 40 Views: 3,818 Posted By gd_barnes I'm getting the following error right now: ... I'm getting the following error right now: 2002: SQLSTATE[HY000] [2002] Connection refused This is the first that I've checked it in about 8 hours.
 Forum: Conjectures 'R Us 2022-12-07, 01:01 Replies: 760 Sticky: Sieving for CRUS Views: 97,570 Posted By gd_barnes Great! Feel free to contribute however you want.... Great! Feel free to contribute however you want. Mark (Rogue) is the residential sieving expert on many different projects and writes/maintains many sieving programs. He will be able to answer...
 Forum: Aliquot Sequences 2022-12-06, 14:35 Replies: 2,108 Views: 250,666 Posted By gd_barnes Thanks for the info. I'll just let you know... Thanks for the info. I'll just let you know that I'm close to finishing having all bases > 300 all sequences tested to >= 120 digits. All bases are done with the exception of bases 306 and 307,...
 Forum: Aliquot Sequences 2022-12-06, 14:29 Replies: 1,044 Views: 61,448 Posted By gd_barnes 56^94, 113^79, and 283^67 terminate I'm... 56^94, 113^79, and 283^67 terminate I'm still working on the other two from the last post.
 Forum: Aliquot Sequences 2022-12-05, 10:34 Replies: 2,108 Views: 250,666 Posted By gd_barnes Jean-Luc, Per above, Rich released 34^105... Jean-Luc, Per above, Rich released 34^105 back on Sept. 25th so his reservation can be removed from the page.
 Forum: Aliquot Sequences 2022-12-05, 10:18 Replies: 2,108 Views: 250,666 Posted By gd_barnes To Yoyo: Yoyo had the above reservation from... To Yoyo: Yoyo had the above reservation from a Sept. 11th post. No work has been done on them since Sept. 30. They are not shown in your reservations list. Are you done with them?
 Forum: Aliquot Sequences 2022-12-05, 07:20 Replies: 1,044 Views: 61,448 Posted By gd_barnes 85^91 and 86^92 terminate That was me on... 85^91 and 86^92 terminate That was me on 86^92. I'm working on 52^92, 56^94, 113^79, 283^65, and 283^67. The total count of open same-parities was starting to creep back up there with all of...
 Forum: Aliquot Sequences 2022-12-05, 01:37 Replies: 2,108 Views: 250,666 Posted By gd_barnes I have completed testing of new bases 419 and 421... I have completed testing of new bases 419 and 421 all open sequences to >= 120 digits. All bases > 350 are back to complete to >= 120 digits. It looks like you got all of my testing to 120...
 Forum: Aliquot Sequences 2022-12-03, 12:29 Replies: 1,044 Views: 61,448 Posted By gd_barnes 421^57 terminates 419^63 is released. Full... 421^57 terminates 419^63 is released. Full ECM on the C152. I'm done with new bases 419 and 421. Only 1 sequence remains on base 421.
 Forum: Aliquot Sequences 2022-12-03, 03:30 Replies: 1,044 Views: 61,448 Posted By gd_barnes Nice! That's termination #22 from the index... Nice! That's termination #22 from the index 1 effort and the first one in a while.
 Forum: Aliquot Sequences 2022-12-02, 12:07 Replies: 1,044 Views: 61,448 Posted By gd_barnes 419^49, 51, 53, 55, 57, 59, and 61 terminate ... 419^49, 51, 53, 55, 57, 59, and 61 terminate 421^49, 51, 53, 55, 59, 61, and 63 terminate I'm still working on 419^63 and 421^57. I'm done with both exponent 65's.
 Forum: Conjectures 'R Us 2022-12-01, 08:08 Replies: 9 Sticky: 2022 project goals Views: 3,876 Posted By gd_barnes Goal #3 has been completed! Goal #3 has been completed!
 Forum: Aliquot Sequences 2022-12-01, 07:05 Replies: 1,044 Views: 61,448 Posted By gd_barnes For new bases 419 and 421, I'm beginning work on... For new bases 419 and 421, I'm beginning work on all same-parity exponents > 48. Suggestion for you, Ed: 39^99. This one popped up after you cracked it on the index 1 effort several days ago. ...
 Forum: Aliquot Sequences 2022-12-01, 05:29 Replies: 2,108 Views: 250,666 Posted By gd_barnes 317^8 merges at index=2830 with 36468:i22. ... 317^8 merges at index=2830 with 36468:i22. Now 4 terminations and 2 merges for the 120-digit effort.
 Forum: Aliquot Sequences 2022-12-01, 02:20 Replies: 2,108 Views: 250,666 Posted By gd_barnes You updated a few hours too early. When updated,... You updated a few hours too early. When updated, base 313 was down to 2 sequences remaining to have all at >= 120 digits. Now base 313 is complete to >= 120 digits. :-) I'm a little confused...
 Forum: Conjectures 'R Us 2022-11-30, 10:11 Replies: 11 Sticky: Out of date reservations Views: 668 Posted By gd_barnes R1012 dropped. R1012 dropped.
 Forum: Aliquot Sequences 2022-11-28, 00:53 Replies: 2,108 Views: 250,666 Posted By gd_barnes Ed is going to run base 103 to >= 120 digits. ... Ed is going to run base 103 to >= 120 digits. That works well. It would have been ~5-7 days before I started on it.
 Forum: Aliquot Sequences 2022-11-27, 10:47 Replies: 2,108 Views: 250,666 Posted By gd_barnes I'll reserve base 313 for the opposite-parity... I'll reserve base 313 for the opposite-parity sequences that are at < 120 digits and take them to >= 120 digits. I'll start on it with 2 machines within ~2 days. Once started, it would take ~3...
 Forum: No Prime Left Behind 2022-11-27, 03:16 Replies: 1,719 Views: 274,312 Posted By gd_barnes Max found: 663*2^1847319-1 is prime Max found: 663*2^1847319-1 is prime
 Forum: Conjectures 'R Us 2022-11-26, 11:11 Replies: 760 Sticky: Sieving for CRUS Views: 97,570 Posted By gd_barnes With nearly 1M tests, the file would be too big... With nearly 1M tests, the file would be too big for Yoyo. The file that is posted on the reservations page is sieved to 1e14. I assume you must have sieved it further.
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