20181026, 19:24  #188  
Feb 2017
Nowhere
2·2,687 Posts 
Quote:
There is a most recent update on 20181016 by kar_bon for base 12 at Carol and Kynea Prime Search. I'm guessing the two largest ones are the newest. These would be (12^68835  1)^2  2 and (12^78858 + 1)^2  2. 

20181105, 22:18  #189 
"Dylan"
Mar 2017
2^{2}·3·7^{2} Posts 
Reserving base 2 for n > 760k.

20181106, 00:24  #190 
"Mark"
Apr 2003
Between here and the
13·503 Posts 

20181110, 13:34  #191 
"Mark"
Apr 2003
Between here and the
13×503 Posts 
This file is for Dylan14. It is only the n/c that haven't been tested below 1000000. You can easily generate the first line for base 2 using cksieve.
Last fiddled with by rogue on 20200924 at 19:47 
20181110, 17:46  #192 
"Dylan"
Mar 2017
2^{2}·3·7^{2} Posts 
Thanks for the sieve file rogue. By the way, the start of the file is at 765831. Did you test the numbers between n=760k and the start of the file, or is that a gap that I will need to fill in?

20181110, 20:12  #193 
"Mark"
Apr 2003
Between here and the
13×503 Posts 
As I stated these are the only candidates that haven't been tested, so anything below the n in the file was either removed by sieving or by testing.

20181112, 16:21  #194 
"Dylan"
Mar 2017
2^{2}×3×7^{2} Posts 
ck update 11/12
Base 2 is at n = 765831. No primes have been found yet, continuing.
Base 6 sieve is at p = 22.25 T. I will sieve this to 60 T, this should be done before the next monthly update. 
20181206, 10:07  #195 
Mar 2006
Germany
2×5×293 Posts 
Status
CK290 at n=113k
CK362 at n=100k and continuing 
20181213, 12:03  #196 
"Dylan"
Mar 2017
2^{2}×3×7^{2} Posts 
ck update 12/13
Base 2 is at n = 768870. No primes found yet, continuing.
Base 6 sieve is at p = 39.25 T. Target is still 60 T. Also running a sieve for base 50 for n = 120k to 150k, it is presently at p = 9 T. I am also wondering what goals this project should have for next year (find a T5k prime, get all b <= 50 to n = 100k, etc.). 
20181224, 05:06  #197 
"Jiahao He"
May 2018
China
2^{2}·3·5 Posts 
Reservation Post
Base 258 at n=10k
Grotex 
20181230, 07:34  #198 
"Jiahao He"
May 2018
China
2^{2}·3·5 Posts 
Reservation Post
Base 258 at n=10k done
Primes: (258^1+1)^22 (258^11)^22 (258^21)^22 (258^9+1)^22 (258^91)^22 (258^14+1)^22 (258^141)^22 (258^391)^22 (258^75+1)^22 (258^941)^22 (258^105+1)^22 (258^125+1)^22 (258^159+1)^22 (258^2703+1)^22 (258^54161)^22 
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