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Forum: And now for something completely different 2021-09-13, 07:59
Replies: 253
Views: 49,942
Posted By kar_bon
CK 688

(688^85121+1)^2-2 is prime (483077 digits, ~4000 digits too small for Top5000)

PFGW Version 4.0.0.64BIT.20190528.Win_Dev [GWNUM 29.8]

Primality testing (688^85121+1)^2-2 [N-1/N+1,...
Forum: And now for something completely different 2021-05-08, 06:55
Replies: 253
Views: 49,942
Posted By kar_bon
As usual I always search both sides together and...

As usual I always search both sides together and no further reservation on this base.
Forum: And now for something completely different 2021-05-06, 10:57
Replies: 253
Views: 49,942
Posted By kar_bon
b=832

Searched to n=52k and found:

PFGW Version 4.0.0.64BIT.20190528.Win_Dev [GWNUM 29.8]
Primality testing (832^51686-1)^2-2 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3...
Forum: And now for something completely different 2021-03-02, 08:52
Replies: 253
Views: 49,942
Posted By kar_bon
Base 938

Another one down:

Base 938 tested to n=22k
Found primes so far:
-1: 21852
+1: 54, 56, 654, 749, 3916, 11463
No further reservation.

(938^21852-1)^2-2 has 129898 digits
Forum: And now for something completely different 2021-02-01, 09:43
Replies: 253
Views: 49,942
Posted By kar_bon
base 738

(738^15864-1)^2-2 is prime, 90998 digits

pfgw64 -tp -q"(738^15864-1)^2-2"
PFGW Version 4.0.0.64BIT.20190528.Win_Dev [GWNUM 29.8]
Primality testing (738^15864-1)^2-2 [N+1,...
Forum: And now for something completely different 2021-01-14, 08:18
Replies: 253
Views: 49,942
Posted By kar_bon
Found (968^79512-1)^2-2...

Found (968^79512-1)^2-2 ('https://primes.utm.edu/primes/page.php?id=131572'), 474826 digits

Base 968 tested until n=80k, releasing.
Forum: And now for something completely different 2020-08-03, 06:58
Replies: 253
Views: 49,942
Posted By kar_bon
(688^70718+1)^2-2 found prime, 401338 digits CK...

(688^70718+1)^2-2 found prime, 401338 digits
CK 688 at n=74k, continuing
Forum: And now for something completely different 2020-03-16, 07:54
Replies: 253
Views: 49,942
Posted By kar_bon
CK394: not reserved, only done to n=50k after...

CK394:
not reserved, only done to n=50k after prime found as posted.
Forum: And now for something completely different 2020-03-13, 08:52
Replies: 253
Views: 49,942
Posted By kar_bon
Status

CK290 at n=153k, continuing
CK362 no further effort but still reserved
Forum: And now for something completely different 2020-01-07, 13:42
Replies: 253
Views: 49,942
Posted By kar_bon
I'm always testing both sides, and there was no...

I'm always testing both sides, and there was no other prime than that.

Here's another one:
(1442^40757+1)^2-2 is prime, 257500 digits
tested up to n=41k with only n= 1, 5 & 66 for Kynea-side.
Forum: And now for something completely different 2019-10-08, 12:34
Replies: 253
Views: 49,942
Posted By kar_bon
Base 394: Found this today: ...

Base 394:

Found this today:
(394^49500-1)^2-2 is prime, 256955 digits

Used pfgw64 4.0.0
pfgw64 -tc -q"(394^49500-1)^2-2"
PFGW Version 4.0.0.64BIT.20190528.Win_Dev [GWNUM 29.8]

Primality...
Forum: And now for something completely different 2019-07-14, 20:47
Replies: 253
Views: 49,942
Posted By kar_bon
There seems a new Kynea: (2^852770+1)^2-2...

There seems a new Kynea: (2^852770+1)^2-2 ('https://primes.utm.edu/primes/page.php?id=126646') found by Ryan Propper.
Forum: And now for something completely different 2019-07-03, 12:50
Replies: 253
Views: 49,942
Posted By kar_bon
Just filling in data for CK in the Wiki...

Just filling in data for CK in the Wiki ('https://www.rieselprime.de/ziki/Carol-Kynea_prime_260') and found a missed prime:

(260^4128-1)^2-2

This was given in the output file but overlooked in...
Forum: And now for something completely different 2019-06-17, 08:00
Replies: 253
Views: 49,942
Posted By kar_bon
Another Top5000: (362^133647+1)^2-2 (683928...

Another Top5000:

(362^133647+1)^2-2 (683928 digits) is on the fly.

So the "wrong" side I'm still continuing.
Forum: And now for something completely different 2019-04-05, 13:11
Replies: 253
Views: 49,942
Posted By kar_bon
Filling holes

Two bases with least n-value > 2000:

CK 552
-1: 6
+1: 2139, 2883

CK 632
-1: 6915
+1: 2, 6, 15, 54, 444
Forum: And now for something completely different 2019-03-03, 09:01
Replies: 253
Views: 49,942
Posted By kar_bon
Yes, I thought to wait until it's verified before...

Yes, I thought to wait until it's verified before posting here, took some time.

Base 290 is the first without a prime on the Kynea (+1) side so that's why I'm searching here but found 'only' one...
Forum: And now for something completely different 2018-09-12, 07:36
Replies: 253
Views: 49,942
Posted By kar_bon
(12^78858+1)^2-2 is prime: 170205 digits

(12^78858+1)^2-2 is prime: 170205 digits
Forum: And now for something completely different 2018-09-03, 07:32
Replies: 253
Views: 49,942
Posted By kar_bon
status

CK12 at n=74k: new prime (12^68835-1)^2-2 (148571) digits
CK290 at n=100k, continuing
CK362 at n=88k, continuing
Forum: And now for something completely different 2018-04-24, 07:26
Replies: 253
Views: 49,942
Posted By kar_bon
Status

CK 290 at n=60k, no new primes

CK 362 at n=53k: new prime (362^46308+1)^2-2 (236978 digits)
Forum: And now for something completely different 2018-03-12, 11:31
Replies: 253
Views: 49,942
Posted By kar_bon
New prime for CK44 (and new 5th highest of...

New prime for CK44 (and new 5th highest of Kynea-side):

(44^95940+1)^2-2 is prime (315346 digits)
Forum: And now for something completely different 2018-03-01, 14:21
Replies: 253
Views: 49,942
Posted By kar_bon
CK542 tested to n=10k Primes: (-1) 1, 2,...

CK542 tested to n=10k
Primes:

(-1) 1, 2, 3, 8, 954, 4669, 7267
(+1)
Forum: And now for something completely different 2018-03-01, 08:16
Replies: 253
Views: 49,942
Posted By kar_bon
CK600 tested to n=10k. primes (-1) 4606,...

CK600 tested to n=10k.
primes

(-1) 4606, 6509
(+1) 61
Forum: And now for something completely different 2018-02-25, 19:55
Replies: 253
Views: 49,942
Posted By kar_bon
CK432 tested to n=10k primes (-1) 8742 ...

CK432 tested to n=10k
primes

(-1) 8742
(+1) 6, 1227
Forum: And now for something completely different 2018-02-23, 12:03
Replies: 253
Views: 49,942
Posted By kar_bon
CK240 tested to n=10k primes (-1) 1, 261 ...

CK240 tested to n=10k
primes

(-1) 1, 261
(+1) 3, 201, 779, 1211
Forum: And now for something completely different 2018-02-22, 09:09
Replies: 253
Views: 49,942
Posted By kar_bon
First (because the post from sweety439 was...

First (because the post from sweety439 was deleted here):
To get the precise values edit line 55 in the awk-script from "limit=lim[power_of]/cnt" to "limit=int(lim[power_of]/cnt)".

To Gary:
...
Showing results 1 to 25 of 39

 
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