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Forum: Aliquot Sequences 2021-06-11, 09:32
Replies: 1,162
Views: 113,635
Posted By kar_bon
Sure it's possible, but I'm against such changes...

Sure it's possible, but I'm against such changes for now. Why?

The first page by Jean-Luc in 2018 he has updated by hand and was not very human readable, because of very long scrolling.
So I...
Forum: XYYXF Project 2021-06-10, 10:09
Replies: 464
Views: 89,335
Posted By kar_bon
You can look at this table...

You can look at this table ('https://www.rieselprime.de/ziki/Leyland_prime_P_table') for a list of unproven numbers. I've not looked at those for a longer time, so some are verified and a certificate...
Forum: Aliquot Sequences 2021-06-10, 08:53
Replies: 1,162
Views: 113,635
Posted By kar_bon
50^96 terminated

50^96 terminated
Forum: Factoring 2021-06-05, 08:32
Replies: 239
Views: 5,464
Posted By kar_bon
Line 53: (4, -7): c114: P29 * P40 * P46 c117:...

Line 53: (4, -7):
c114: P29 * P40 * P46
c117: P28 * P35 * P55
c151: none found
c156: P24 * C133
Forum: Miscellaneous Math 2021-06-04, 06:21
Replies: 10
Views: 265
Posted By kar_bon
You can download Primo 3.0.9 from my page...

You can download Primo 3.0.9 from my page ('https://www.rieselprime.de/dl/Primo309.zip') running under WIN, so you get an idea, how long a certificate would take for a 'only' 5000 digit number.
Sure...
Forum: Prime Wiki 2021-06-04, 06:02
Replies: 202
Sticky: Prime-Wiki
Views: 55,091
Posted By kar_bon
No, clear your cache. Also look at the recent...

No, clear your cache.
Also look at the recent changes: I've uploaded the new file.
Forum: Riesel Prime Search 2021-05-30, 11:07
Replies: 251
Views: 43,575
Posted By kar_bon
I've not claimed me a real primesearcher, but...

I've not claimed me a real primesearcher, but thank you for the title.
I'm collecting data in prime numbers for k*2^n-1 (mostly and others, too) for 14 years now (my first page for RPS was in 2007),...
Forum: Riesel Prime Search 2021-05-29, 08:12
Replies: 251
Views: 43,575
Posted By kar_bon
I've updated the Wiki page...

I've updated the Wiki page ('https://www.rieselprime.de/ziki/Riesel_problem') with those not-PG-found-primes, unreserved them, so no longer listed in their project page...
Forum: Riesel Prime Search 2021-05-27, 11:14
Replies: 251
Views: 43,575
Posted By kar_bon
Riesel problem

After years of work from RieselSieve ('https://www.rieselprime.de/ziki/Riesel_Sieve') and further testing/sieving/double checking by PrimeGrid there are currently 44 k-values...
Forum: And now for something completely different 2021-05-09, 10:02
Replies: 8
Views: 703
Posted By kar_bon
There are 4 bases for 2021: - 968...

There are 4 bases for 2021:
- 968 (https://www.rieselprime.de/ziki/Carol-Kynea_prime_968)
- 738 (https://www.rieselprime.de/ziki/Carol-Kynea_prime_738)
- 938...
Forum: And now for something completely different 2021-05-08, 06:55
Replies: 249
Views: 43,922
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 2021-05-08, 06:54
Replies: 289
Views: 48,095
Posted By kar_bon
Yes.

Yes.
Forum: And now for something completely different 2021-05-06, 10:57
Replies: 249
Views: 43,922
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: Riesel Prime Search 2021-05-06, 08:09
Replies: 1,031
Views: 140,073
Posted By kar_bon
k=85

Checked 2M<n<2.1M for k=85 to fill missing range: prime at n=2087651 confirmed.
Forum: Aliquot Sequences 2021-05-06, 07:39
Replies: 1,162
Views: 113,635
Posted By kar_bon
I've not yet completed the whole changes for the...

I've not yet completed the whole changes for the new scripts, especially the automated calling/running of all scripts and need some more time to check and test.
The next 2 weeks I'm on holiday and...
Forum: Forum Feedback 2021-04-29, 08:09
Replies: 2
Views: 331
Posted By kar_bon
Searching for "P-1" you could use spaces like "...

Searching for "P-1" you could use spaces like " P-1 ", but will find many!

For "errcode=1002" try "errcode"&"1002", finds 58 posts.
Forum: Aliquot Sequences 2021-04-19, 08:15
Replies: 67
Views: 2,341
Posted By kar_bon
As usual I'm using (g)awk for processing...

As usual I'm using (g)awk for processing text-files and here's my solution for handling the regina_file.

First I delete all brackets and spaces from the original regina_file by calling (here under...
Forum: Riesel Prime Search 2021-04-08, 07:04
Replies: 94
Views: 25,130
Posted By kar_bon
Gary, there's an option to include a zipped sieve...

Gary, there's an option to include a zipped sieve file in the Wiki, for example see k=98475 ('https://www.rieselprime.de/ziki/Riesel_prime_98475'):
- edit the page
- if not yet done: insert the...
Forum: And now for something completely different 2021-03-16, 11:58
Replies: 289
Views: 48,095
Posted By kar_bon
CK 290 at n=171k CK 362 still at n=139k CK...

CK 290 at n=171k
CK 362 still at n=139k
CK 688 at n=78k
CK 1286 at n=75k
CK 1346 at n=74k
Forum: Aliquot Sequences 2021-03-07, 18:52
Replies: 1,162
Views: 113,635
Posted By kar_bon
The current script re-read only open sequences...

The current script re-read only open sequences from FactorDB. Terminated seqs are collected with data of the last index separately.
Forum: Software 2021-03-04, 13:39
Replies: 13
Views: 1,271
Posted By kar_bon
On my old Prime Database there's still a page...

On my old Prime Database there's still a page with Payam numbers ('https://www.rieselprime.de/Related/RieselPayam.htm') of the Riesel side.
Forum: Aliquot Sequences 2021-03-02, 14:16
Replies: 1,162
Views: 113,635
Posted By kar_bon
To the new appearance of the page: Almost all...

To the new appearance of the page:
Almost all points cleared but not (yet)
- scripts for button function codes simplify
- 'table' with links/buttons as css

Those changes can be done later but...
Forum: And now for something completely different 2021-03-02, 08:52
Replies: 249
Views: 43,922
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: Aliquot Sequences 2021-03-01, 17:34
Replies: 1,162
Views: 113,635
Posted By kar_bon
Small additional notes: Every base will be shown...

Small additional notes: Every base will be shown on it's own page but for now only base 2 is available. Also the statistic data are only filled in numbers, no real countings.
Forum: Riesel Prime Search 2021-03-01, 10:11
Replies: 414
Views: 73,305
Posted By kar_bon
(General) Near Woodalls are primes of type...

(General) Near Woodalls are primes of type (n-1)*b^n-1 or (n+1)*b^n-1, examples here ('https://www.rieselprime.de/ziki/Gen_Woodall_prime_M_2_table') or here...
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