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 Showing results 1 to 25 of 1000 Search took 0.42 seconds. Search: Posts Made By: gd_barnes
 Forum: Riesel Prime Search 2021-06-23, 07:04 Replies: 415 Views: 74,349 Posted By gd_barnes Back about 13-14 years ago Beyond (SB2) did a lot... Back about 13-14 years ago Beyond (SB2) did a lot of searching on many low-weight k's. Although he gave details about what he was working on his details were frequently incomplete and he did not...
 2021-06-23, 06:03 Replies: 293 Views: 48,947 Posted By gd_barnes Are you continuing with these bases? Are you continuing with these bases?
 Forum: Riesel Prime Search 2021-06-17, 23:07 Replies: 1,032 Views: 141,395 Posted By gd_barnes k=7 is complete to n=5M; double-check is complete... k=7 is complete to n=5M; double-check is complete for n=1M-4.23M. No primes found for n=1M-5M. The k is released. Results attached. This is likely the longest currently running n-range without...
 Forum: Conjectures 'R Us 2021-06-13, 06:20 Replies: 179 Views: 61,873 Posted By gd_barnes I have added R578 to n=200K to the recommended... I have added R578 to n=200K to the recommended list. This base is low-weight and is the lowest "relative difficulty" base that we have that is not in the 2021 goals. Therefore it can easily be...
 Forum: Conjectures 'R Us 2021-06-06, 06:40 Replies: 179 Views: 61,873 Posted By gd_barnes If you see any 1k bases that are not sieved to... If you see any 1k bases that are not sieved to n=1M, that would be the first priority. Another area to sieve would be bases with 11 or 12 k's remaining at n=100K. You could sieve those for...
 Forum: Conjectures 'R Us 2021-06-05, 06:17 Replies: 1,103 Views: 99,212 Posted By gd_barnes Thanks for the update. Thanks for the update.
 Forum: Conjectures 'R Us 2021-06-04, 03:29 Replies: 6 Sticky: 2021 project goals Views: 3,599 Posted By gd_barnes With Pepi's recent large-prime proof of R650 that... With Pepi's recent large-prime proof of R650 that leaves us just one away from completing goals 1 and 8. :-)
 Forum: Conjectures 'R Us 2021-06-04, 03:22 Replies: 301 Sticky: News Views: 56,658 Posted By gd_barnes I will be out of town until about June 16th. I... I will be out of town until about June 16th. I am keeping the web pages updated locally while I am gone. They will be uploaded to the server after I get back. If you see an asterisk "*"...
 Forum: Conjectures 'R Us 2021-06-03, 16:41 Replies: 945 Sticky: Report top-5000 primes here Views: 109,150 Posted By gd_barnes A big congrats! Very nice find! :-) :bow... A big congrats! Very nice find! :-) :bow wave:
 Forum: Prime Gap Searches 2021-06-01, 04:18 Replies: 18 Views: 1,385 Posted By gd_barnes Yes it's definitely over 7 billion years... Yes it's definitely over 7 billion years but...it's much worse than that: 2^64 = 18,446,744,073,709,551,616 (~1.8447 * 10^19) 2^64 / 3600 seconds per hour / 24 hour per day / ~365.25 days per...
 Forum: Conjectures 'R Us 2021-05-30, 04:40 Replies: 301 Sticky: News Views: 56,658 Posted By gd_barnes I have some exciting news: The Riesel base 2... I have some exciting news: The Riesel base 2 2nd conjecture has been added to the project! This makes the Riesel and Sierp sides at CRUS equal in that regard and gives the project a base 2...
 Forum: Conjectures 'R Us 2021-05-22, 19:38 Replies: 179 Views: 61,873 Posted By gd_barnes More sieve files added. More sieve files added.
 2021-05-21, 19:38 Replies: 293 Views: 48,947 Posted By gd_barnes I am going to remove the web page that I have... I am going to remove the web page that I have been updating that shows bases, primes, and reservations and turn updates over to the Wiki. Karsten has done a nice job setting that up and keeping it...
 Forum: Conjectures 'R Us 2021-05-20, 19:20 Replies: 6 Sticky: 2021 project goals Views: 3,599 Posted By gd_barnes Updated. Actually Goal 4 will be by far the most... Updated. Actually Goal 4 will be by far the most difficult. It is unlikely to finish although I will throw many of my machines at it for awhile later in the year to give it a reasonable shot. ...
 2021-05-19, 20:09 Replies: 293 Views: 48,947 Posted By gd_barnes For future historical reference (and a bit of my... For future historical reference (and a bit of my own sanity) can you please post which bases and n-range that you searched? For all that I know Karsten's links that you referred to when reserving...
 Forum: Riesel Prime Search 2021-05-19, 19:15 Replies: 415 Views: 74,349 Posted By gd_barnes k=10005 has a large prime gap so I double-checked... k=10005 has a large prime gap so I double-checked it for n=0-1.25M. 34 primes confirmed; no problems found. Results attached.
 2021-05-17, 07:04 Replies: 293 Views: 48,947 Posted By gd_barnes I won't be showing that quantity of reservations.... I won't be showing that quantity of reservations. Good luck! :-)
 2021-05-16, 07:43 Replies: 8 Views: 804 Posted By gd_barnes Per the pages that Karsten linked to in the 1st... Per the pages that Karsten linked to in the 1st post here and using your primes reported in the other thread and here, several of which were already on Karsten's page: None of your Carol primes...
 2021-05-15, 06:43 Replies: 293 Views: 48,947 Posted By gd_barnes Are you testing both the Carol and Kynea side? Are you testing both the Carol and Kynea side?
 Forum: Twin Prime Search 2021-05-15, 04:49 Replies: 259 Views: 47,899 Posted By gd_barnes Reviving an old effort: Here is an updated... Reviving an old effort: Here is an updated web page for all k*2^n-+1 twins for k<100K and n<=50K: http://www.noprimeleftbehind.net/gary/twins100K.htm Here is an updated web page for all...
 Forum: Twin Prime Search 2021-05-13, 21:13 Replies: 235 Views: 80,919 Posted By gd_barnes 840k-880k has been loaded. 840k-880k has been loaded.
 2021-05-12, 00:15 Replies: 8 Views: 804 Posted By gd_barnes The main project page has been updated to include... The main project page has been updated to include all bases with search depth n>=10K. Karsten, if you can post in the reservations thread whenever you search a base to n>=10K that would be helpful.
 2021-05-11, 09:38 Replies: 8 Views: 804 Posted By gd_barnes It gets updated with whatever is posted in these... It gets updated with whatever is posted in these threads plus the occasional look at Karsten's page. The original idea behind that page is that we would only show bases that were searched to...
 Forum: Riesel Prime Search 2021-05-10, 20:57 Replies: 415 Views: 74,349 Posted By gd_barnes k=32767: This one is currently reserved by... k=32767: This one is currently reserved by Diep for n=5M-30M. Since it is so low weight I thought it would be interesting to see if there were any more primes up to n=1M. Double-check complete...
 Forum: Riesel Prime Search 2021-05-10, 20:48 Replies: 415 Views: 74,349 Posted By gd_barnes k=8847: Double-check complete to n=500K. No... k=8847: Double-check complete to n=500K. No problems found. Hole filled for n=500K-700K. In addition to confirming the 3 previously found primes, one additional prime was found:...
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