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 2021-05-23, 04:02 #287 Dylan14     "Dylan" Mar 2017 22·3·72 Posts Update on base 10 Base 10 is at n = 193.3 k, no primes found, continuing to n = 200 k and sieving n = 200-250k, sieve depth is currently ~2.78 T.
2021-05-23, 18:28   #288
NHoodMath

Jan 2017

5×7 Posts

Base 180 complete to n=30K

No primes found- Base Released

Results file attached

This base fell into a very large primeless void and never came out...
Attached Files
 base180.txt (216.1 KB, 70 views)

 2021-05-24, 17:37 #289 rogue     "Mark" Apr 2003 Between here and the 146128 Posts Taking b=34 and b=38. Not certain how far I will take them right now.
 2021-06-04, 18:59 #290 Dylan14     "Dylan" Mar 2017 10010011002 Posts Base 10 complete to n = 200k, no primes found. Continuing up to n = 250 k with a sieve file sieved to p = 100 T.
 2021-06-21, 10:42 #291 kar_bon     Mar 2006 Germany 2×5×293 Posts pausing/sieving base 290, currently at n=175k continuing base 362, currently at n=140k base 688 at n=79k base 1286 at n=82k base 1346 at n=81k
 2021-06-22, 21:23 #292 rogue     "Mark" Apr 2003 Between here and the 2×7×467 Posts I have completed b=34 and b=38 to n=100000. (38^90713+1)^2-2 is the only prime.
2021-06-23, 06:03   #293
gd_barnes

May 2007
Kansas; USA

296516 Posts

Quote:
 Originally Posted by rogue I have completed b=34 and b=38 to n=100000. (38^90713+1)^2-2 is the only prime.

Are you continuing with these bases?

2021-06-23, 11:39   #294
rogue

"Mark"
Apr 2003
Between here and the

146128 Posts

Quote:
 Originally Posted by gd_barnes Are you continuing with these bases?
No.

 2021-08-30, 08:07 #295 kuratkull     Mar 2007 Estonia 149 Posts Base 42 is done to 150k, one prime found, reported in other thread. Reserving to 200k.
 2021-11-04, 05:51 #296 Grotex     "Jiahao He" May 2018 China 6010 Posts Reserve base 970 to n=10k
2021-11-05, 09:14   #297
Grotex

"Jiahao He"
May 2018
China

22·3·5 Posts

Quote:
 Originally Posted by Grotex Reserve base 970 to n=10k
Detect a 3-PRP:
(970^3899-1)^2-2

Testing n=8232

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