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 Showing results 1 to 25 of 1000 Search took 0.44 seconds. Search: Posts Made By: gd_barnes
 Forum: Riesel Prime Search 2021-04-12, 05:34 Replies: 1,963 Views: 201,121 Posted By gd_barnes From the 3rd megabit drive: 257*2^2108554-1... From the 3rd megabit drive: 257*2^2108554-1 is prime :-)
 Forum: Riesel Prime Search 2021-04-11, 17:38 Replies: 1,024 Views: 131,401 Posted By gd_barnes k=255 double-check is complete to n=2M; 3... k=255 double-check is complete to n=2M; 3 previously found primes confirmed for n=1M-2M; the k is released.
 Forum: Riesel Prime Search 2021-04-09, 04:51 Replies: 409 Views: 65,794 Posted By gd_barnes k=14549535 is complete for n=300K-500K, 5 primes... k=14549535 is complete for n=300K-500K, 5 primes were found shown below, the k is released. Happy is still working on a double-check for n=125K-300K. Primes: 14549535*2^376607-1 ...
 Forum: Riesel Prime Search 2021-04-08, 08:27 Replies: 94 Views: 23,723 Posted By gd_barnes Done. Cool option! Done. Cool option!
 Forum: Riesel Prime Search 2021-04-08, 06:44 Replies: 133 Views: 19,226 Posted By gd_barnes Reserving 2102-2200 Reserving 2102-2200
 Forum: Science & Technology 2021-04-08, 06:00 Replies: 189 Sticky: Poll: COVID vaccination wavefront Views: 9,107 Posted By gd_barnes Got my first one on April 5th. Second one is... Got my first one on April 5th. Second one is scheduled for May 3rd. :smile:
 Forum: Riesel Prime Search 2021-04-08, 03:55 Replies: 94 Views: 23,723 Posted By gd_barnes k=13236795 double-check is complete to n=1.3M. ... k=13236795 double-check is complete to n=1.3M. No problems were found for n=1M-1.3M. Primes and results attached. I'll keep the remaining file for n=1.3M-2M sieved to P=50T available if needed...
 Forum: Conjectures 'R Us 2021-04-06, 19:27 Replies: 168 Views: 56,025 Posted By gd_barnes That was suggested to Pepi in the sieving thread.... That was suggested to Pepi in the sieving thread. Our big sieve for goal #4 was holding it up. It shouldn't be much longer before it starts.
 Forum: Riesel Prime Search 2021-04-06, 19:24 Replies: 409 Views: 65,794 Posted By gd_barnes OK I'll start testing within a couple of days for... OK I'll start testing within a couple of days for n=300k-500k. Thanks.
 Forum: Riesel Prime Search 2021-04-06, 03:52 Replies: 409 Views: 65,794 Posted By gd_barnes Happy, From a year ago...was this done? I'd... Happy, From a year ago...was this done? I'd like to go ahead and double-check k=14549535 for all n<=300K and then test it up to n=500K. Is that OK? Gary
 Forum: Twin Prime Search 2021-04-04, 20:42 Replies: 233 Views: 72,535 Posted By gd_barnes For those of you having difficulty connecting... For those of you having difficulty connecting clients to port 12000 because the server is an older version, here are folders with the older clients that will work. They also contain older versions...
 Forum: Riesel Prime Search 2021-04-04, 02:17 Replies: 659 Views: 75,478 Posted By gd_barnes Curtis, Are you done with n=5.25M-5.3M from... Curtis, Are you done with n=5.25M-5.3M from several years ago? This is the only range open up to n=6M.
 Forum: Riesel Prime Search 2021-04-03, 10:55 Replies: 94 Views: 23,723 Posted By gd_barnes Some bad news... I have completed a... Some bad news... I have completed a double-check up to n=1M on this k. I found 7 missing primes. They are: 13236795*2^233152-1 13236795*2^240236-1 13236795*2^258893-1 13236795*2^259747-1...
 Forum: Conjectures 'R Us 2021-04-03, 09:34 Replies: 919 Sticky: Report top-5000 primes here Views: 100,272 Posted By gd_barnes :bow wave: :bow wave:
 Forum: No Prime Left Behind 2021-03-30, 22:04 Replies: 1,499 Views: 188,319 Posted By gd_barnes Max found: 993*2^1601704-1 is prime Max found: 993*2^1601704-1 is prime
 Forum: Riesel Prime Search 2021-03-30, 07:30 Replies: 458 Views: 54,006 Posted By gd_barnes rsp4M = 3M to 4M rsp5M = 4M to 5M rsp6M = 5M... rsp4M = 3M to 4M rsp5M = 4M to 5M rsp6M = 5M to 6M It is n=3M to 6M that are sieved to 400e15. (n=0 to 3M are sieved to 100e15.) Ignore the header line in the sieve file. It means nothing. ...
 Forum: Riesel Prime Search 2021-03-29, 20:37 Replies: 458 Views: 54,006 Posted By gd_barnes You should use the PrimeGrid sieve file for... You should use the PrimeGrid sieve file for testing. All k<10000 for n=1 to 3M are sieved to P=100P (100e15). The file will save you a lot of time in sieving and testing.
 Forum: Conjectures 'R Us 2021-03-29, 19:19 Replies: 919 Sticky: Report top-5000 primes here Views: 100,272 Posted By gd_barnes :bow wave::bow wave::party: :bow wave::bow wave::party:
 Forum: Riesel Prime Search 2021-03-28, 22:16 Replies: 546 Views: 53,152 Posted By gd_barnes Curtis, Are you done with 1825-1860 here... Curtis, Are you done with 1825-1860 here from several years ago?
 Forum: No Prime Left Behind 2021-03-28, 02:11 Replies: 1,499 Views: 188,319 Posted By gd_barnes Max found: 893*2^1601408-1 is prime Max found: 893*2^1601408-1 is prime
 Forum: Conjectures 'R Us 2021-03-27, 09:52 Replies: 636 Sticky: Sieving for CRUS Views: 60,881 Posted By gd_barnes Pepi, After the current batch of files for... Pepi, After the current batch of files for sieving base 2 is done, please refer to the following post as our next priority for sieving: ...
 Forum: Riesel Prime Search 2021-03-27, 05:47 Replies: 1,024 Views: 131,401 Posted By gd_barnes k=213 is complete to n=2M; 3 previously found... k=213 is complete to n=2M; 3 previously found primes confirmed and no new primes for n=1M-2M; the k is released. Primes/residues added to double-check thread post #70. All k<400 are now at...
 Forum: Riesel Prime Search 2021-03-21, 00:54 Replies: 69 Views: 16,377 Posted By gd_barnes Here is a follow-up to post 57 in this thread. ... Here is a follow-up to post 57 in this thread. Below are primes and results/residues for all of my recent double-check and first-time testing here at RPS: Primes for double-check of all k<300 to...
 Forum: Riesel Prime Search 2021-03-20, 21:16 Replies: 458 Views: 52,060 Posted By gd_barnes The sieve file attached to the first post here is... The sieve file attached to the first post here is missing the 2nd batch of k's. That is k=131, 133, 137, 139, 141, 143, 145, 161, 177, 181, and 187 are not included in the file. Is this...
 Forum: Riesel Prime Search 2021-03-20, 19:35 Replies: 1,024 Views: 131,401 Posted By gd_barnes k=285 is complete to n=2M; 6 previously found... k=285 is complete to n=2M; 6 previously found primes confirmed and 1 new prime reported for n=1M-2M; the k is released.
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