mersenneforum.org  

Go Back   mersenneforum.org > Prime Search Projects > Conjectures 'R Us

Reply
 
Thread Tools
Old 2017-07-18, 13:01   #375
Jean Penné
 
Jean Penné's Avatar
 
May 2004
FRANCE

24×5×7 Posts
Default Sierpinski odd n's testing

Hi,

k=9267 is now tested up to n = 7,901,383 (2,378,558 decimal digits) no prime, continuing...

Best Regards,
Jean
Jean Penné is offline   Reply With Quote
Old 2017-08-03, 20:06   #376
Jean Penné
 
Jean Penné's Avatar
 
May 2004
FRANCE

24·5·7 Posts
Default Sierpinski odd n's testing

Hi,

k=9267 is now tested up to n = 8,000,383 (2,408,360 decimal digits) no prime, continuing...

Best Regards,
Jean
Jean Penné is offline   Reply With Quote
Old 2017-08-22, 15:13   #377
Jean Penné
 
Jean Penné's Avatar
 
May 2004
FRANCE

24×5×7 Posts
Default Sierpinski odd n's testing

Hi,

k=9267 is now tested up to n = 8,109,415 (2,441,182 decimal digits) no prime, continuing...

Best Regards,
Jean
Jean Penné is offline   Reply With Quote
Old 2017-09-08, 15:45   #378
Jean Penné
 
Jean Penné's Avatar
 
May 2004
FRANCE

56010 Posts
Default Sierpinski odd n's testing

Hi,

k=9267 is now tested up to n = 8,200,567 (2,468,621 decimal digits) no prime, continuing...

Best Regards,
Jean
Jean Penné is offline   Reply With Quote
Old 2017-09-26, 06:05   #379
Jean Penné
 
Jean Penné's Avatar
 
May 2004
FRANCE

56010 Posts
Default Sierpinski odd n's testing

Hi,

k=9267 is now tested up to n = 8,300,623 (2,498,741 decimal digits) no prime, continuing...

Best Regards,
Jean
Jean Penné is offline   Reply With Quote
Old 2017-09-26, 19:24   #380
sweety439
 
sweety439's Avatar
 
Nov 2016

2,347 Posts
Default

See http://mersenneforum.org/showthread.php?t=22600, 168451*2^19375200+1 is prime, thus k=168451 can be removed from the remain k's for the Sierpinski 2nd base 2 conjecture.
sweety439 is offline   Reply With Quote
Old 2017-10-18, 06:20   #381
Jean Penné
 
Jean Penné's Avatar
 
May 2004
FRANCE

24·5·7 Posts
Default Sierpinski odd n's testing

Hi,

k=9267 is now tested up to n = 8,406,703 (2,530,674 decimal digits) no prime, continuing...

Best Regards,
Jean
Jean Penné is offline   Reply With Quote
Old 2017-10-18, 08:28   #382
kar_bon
 
kar_bon's Avatar
 
Mar 2006
Germany

2×3×52×19 Posts
Default

I've updated my page with the current ranges.
kar_bon is offline   Reply With Quote
Old 2017-11-05, 06:22   #383
Jean Penné
 
Jean Penné's Avatar
 
May 2004
FRANCE

10001100002 Posts
Default Sierpinski odd n's testing

Hi,

k=9267 is now tested up to n = 8,504,695 (2,560,173 decimal digits) no prime, continuing...

Thanks to Karsten for the update, and Best Regards,
Jean
Jean Penné is offline   Reply With Quote
Old 2017-11-06, 18:59   #384
Puzzle-Peter
 
Puzzle-Peter's Avatar
 
Jun 2009

2×5×67 Posts
Default Status update

R2, k=9519 has passend n=16.5M. Less than 500 tests left. I hope to finish before christmas.
Puzzle-Peter is offline   Reply With Quote
Old 2017-12-04, 18:31   #385
Puzzle-Peter
 
Puzzle-Peter's Avatar
 
Jun 2009

2×5×67 Posts
Default

R2, k=9519 finished to 2^24. No prime. Base released. R366 will pick up some speed now...
Attached Files
File Type: txt lre_R2_k9519_16M-16.7M.txt (151.0 KB, 46 views)
Puzzle-Peter is offline   Reply With Quote
Reply

Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Riesel and Sierp numbers bases <= 1024 R. Gerbicz Conjectures 'R Us 22 2009-12-29 20:21
Sieving Riesel & Sierp base 16 gd_barnes Conjectures 'R Us 13 2009-12-14 09:23
Riesel/Sierp #'s for bases 3, 7, and 15 Siemelink Conjectures 'R Us 105 2009-09-04 06:40
Riesel base 3 new testing idea gd_barnes Conjectures 'R Us 10 2008-12-20 00:19
mini-drive for high-n testing on Sierp base 4 gd_barnes Conjectures 'R Us 43 2008-07-16 10:12

All times are UTC. The time now is 05:40.

Wed Oct 21 05:40:53 UTC 2020 up 41 days, 2:51, 0 users, load averages: 1.32, 1.43, 1.43

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.