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-   -   Carol / Kynea Coordinated Search - Reservations/Status (https://www.mersenneforum.org/showthread.php?t=21216)

 Grotex 2021-11-08 05:43

[QUOTE=Grotex;592395]Reserve base 970 to n=10k[/QUOTE]

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)[/QUOTE]

 Grotex 2021-11-08 08:33

[QUOTE=Grotex;592395]Reserve base 970 to n=10k[/QUOTE]

Done.
Only 1 prime:
(970^3899-1)^2-2

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

 Grotex 2021-11-10 06:17

[QUOTE=Grotex;592700]Done.
Only 1 prime:
(970^3899-1)^2-2

Release base 970.
Reserve base 1318 to n=10k.[/QUOTE]

Base 1318 Done.
No primes.

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

 Grotex 2021-11-12 09:12

[QUOTE=Grotex;592842]Base 1318 Done.
No primes.

Release base 1318.
Reserve base 1484 to n=10k.[/QUOTE]

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)
[/QUOTE]

 Grotex 2021-11-12 09:13

Release base 1484.
Reserve base 1992 to n=10k.

 Grotex 2021-11-23 07:15

[QUOTE=Grotex;592987]Release base 1484.
Reserve base 1992 to n=10k.[/QUOTE]

Done.
No primes.

 Dylan14 2022-01-13 15:40

Base 10 is at n = 208.2 k, no primes found, continuing...

 Dylan14 2022-02-14 13:53

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.

 birtwistlecaleb 2022-03-13 03:45

Any ranges open?

 gd_barnes 2022-03-13 04:13

[QUOTE=birtwistlecaleb;601630]Any ranges open?[/QUOTE]
Almost all of them. See here:
[URL]https://www.rieselprime.de/ziki/Carol-Kynea_table[/URL]

 birtwistlecaleb 2022-03-13 09:49

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

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