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2021-11-08, 05:43   #298
Grotex

"Jiahao He"
May 2018
China

2×31 Posts

Quote:
 Originally Posted by Grotex Reserve base 970 to n=10k
Testing n=9697.
(970^3899-1)^2-2 is proven prime.
Quote:
 Primality testing (970^3899-1)^2-2 [N+1, Brillhart-Lehmer-Selfridge] Running N+1 test using discriminant 3, base 1+sqrt(3) Generic modular reduction using generic reduction FMA3 FFT length 8K, Pass1=128, Pass2=64, clm=2 on A 77371-bit number Calling Brillhart-Lehmer-Selfridge with factored part 44.96% (970^3899-1)^2-2 is prime! (57.3576s+0.0391s)

2021-11-08, 08:33   #299
Grotex

"Jiahao He"
May 2018
China

2·31 Posts

Quote:
 Originally Posted by Grotex Reserve base 970 to n=10k
Done.
Only 1 prime:
(970^3899-1)^2-2

Release base 970.
Reserve base 1318 to n=10k.

2021-11-10, 06:17   #300
Grotex

"Jiahao He"
May 2018
China

2·31 Posts

Quote:
 Originally Posted by Grotex Done. Only 1 prime: (970^3899-1)^2-2 Release base 970. Reserve base 1318 to n=10k.
Base 1318 Done.
No primes.

Release base 1318.
Reserve base 1484 to n=10k.

2021-11-12, 09:12   #301
Grotex

"Jiahao He"
May 2018
China

2×31 Posts

Quote:
 Originally Posted by Grotex Base 1318 Done. No primes. Release base 1318. Reserve base 1484 to n=10k.
Base 1484 done.
Only 1 prime:
(1484^9606+1)^2-2
Quote:
 Primality testing (1484^9606+1)^2-2 [N+1, Brillhart-Lehmer-Selfridge] Running N+1 test using discriminant 5, base 1+sqrt(5) Generic modular reduction using generic reduction FMA3 FFT length 20K, Pass1=320, Pass2=64, clm=4 on A 202404-bit number Calling Brillhart-Lehmer-Selfridge with factored part 40.51% (1484^9606+1)^2-2 is prime! (329.5672s+0.1762s)

 2021-11-12, 09:13 #302 Grotex     "Jiahao He" May 2018 China 2·31 Posts Release base 1484. Reserve base 1992 to n=10k.
2021-11-23, 07:15   #303
Grotex

"Jiahao He"
May 2018
China

768 Posts

Quote:
 Originally Posted by Grotex Release base 1484. Reserve base 1992 to n=10k.
Done.
No primes.

 2022-01-13, 15:40 #304 Dylan14     "Dylan" Mar 2017 10010100002 Posts Base 10 is at n = 208.2 k, no primes found, continuing...
 2022-02-14, 13:53 #305 Dylan14     "Dylan" Mar 2017 24×37 Posts 2/14 update Base 10 is at n = 223.2 k, no primes found, continuing. Tests are taking just under 35 minutes to complete on 3 cores of a i5-6400.
 2022-03-13, 03:45 #306 birtwistlecaleb     Jun 2021 23·3·5 Posts Any ranges open?
2022-03-13, 04:13   #307
gd_barnes

May 2007
Kansas; USA

29F716 Posts

Quote:
 Originally Posted by birtwistlecaleb Any ranges open?
Almost all of them. See here:
https://www.rieselprime.de/ziki/Carol-Kynea_table

 2022-03-13, 09:49 #308 birtwistlecaleb     Jun 2021 23×3×5 Posts Reserve base 146 to n=20k What seiving application supports Carol and Kyena numbers, the +2s make it impossible to sieve on NewPgen. Edit 2: gonna use probable prime testing for the numbers with yafu instead Last fiddled with by birtwistlecaleb on 2022-03-13 at 10:34

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