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 Showing results 1 to 25 of 1000 Search took 0.28 seconds. Search: Posts Made By: kar_bon
 Forum: Proth Prime Search 2021-12-02, 08:04 Replies: 13 Views: 19,489 Posted By kar_bon ...but it's a Proth-type prime, not Riesel, false... ...but it's a Proth-type prime, not Riesel, false thread. Moderator note: Previous post moved from Riesel thread and parked in this one
 2021-12-01, 17:39 Replies: 8 Views: 1,818 Posted By kar_bon 17*18^19-1 is not prime, so your b is 19... 17*18^19-1 is not prime, so your b is 19 ('https://www.rieselprime.de/ziki/Williams_prime_MM_19') not 18. Same for b=5 and b=2 is also a prime for the first form. So: (b-1)*b^(b+1) - 1 is prime...
 Forum: Information & Answers 2021-11-29, 13:38 Replies: 18 Views: 1,286 Posted By kar_bon You could use PFGW with this script: ABC2 $a... You could use PFGW with this script: ABC2$a & $a+2 &$a+20 a: from 1 to 20000 step 2 This will find all triples to n=20k within a minute! The log file "pfgw-prime.log" will contain all...
 Forum: Proth Prime Search 2021-10-20, 14:04 Replies: 12 Views: 1,336 Posted By kar_bon None of your given small primes are a divisor of... None of your given small primes are a divisor of any Generalized Fermat number ('https://www.rieselprime.de/ziki/Generalized_Fermat_number').
 Forum: Proth Prime Search 2021-10-19, 04:58 Replies: 12 Views: 1,336 Posted By kar_bon Please give search ranges for the n-values done. Please give search ranges for the n-values done.
 Forum: Sierpinski/Riesel Base 5 2021-10-13, 13:32 Replies: 5 Sticky: Project Description Views: 17,835 Posted By kar_bon A new prime for the Riesel side was found: ... A new prime for the Riesel side was found: 102818 *5^3440382-1 ('https://primes.utm.edu/primes/page.php?id=132817') is prime. There're still values in progress for this k by PrimGrid, so the...
 Forum: No Prime Left Behind 2021-10-13, 05:08 Replies: 276 Views: 85,343 Posted By kar_bon Riesel k=401 is reserved by NPLB Drive #13... Riesel k=401 is reserved by NPLB Drive #13 ('https://www.rieselprime.de/ziki/Riesel_prime_2_401') and is already done to ~1.63M so far. See the Wiki for currently available low k-values please.
 Forum: Conjectures 'R Us 2021-10-07, 04:52 Replies: 115 Views: 38,698 Posted By kar_bon Wiki for small Proth primes, least n-values... Wiki for small Proth primes, least n-values ('https://www.rieselprime.de/ziki/Proth_prime_small_bases_least_n') updated with 8*908^243439+1. Top5000 gives "Anonymous" as finder, different from here...
 Forum: Prime Wiki 2021-09-23, 11:41 Replies: 194 Sticky: Prime-Wiki Views: 67,888 Posted By kar_bon The abbreviations inserted in the table header... The abbreviations inserted in the table header cells seems helpful on one side but explodes the code and makes it harder to read/edit on the other side. Another question on my side: It seems...
 Forum: Prime Wiki 2021-09-23, 07:56 Replies: 194 Sticky: Prime-Wiki Views: 67,888 Posted By kar_bon Although it's only one letter (difference in... Although it's only one letter (difference in wording of "in" instead "on") where I thinks it's not worth to discuss, but I've done this: I've changed the phrase on top of the table in "There are...
 2021-09-13, 07:59 Replies: 253 Sticky: Carol / Kynea Primes Views: 49,887 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: Software 2021-09-09, 11:59 Replies: 7 Views: 651 Posted By kar_bon Use awk (gawk for WIN): create file list.awk... Use awk (gawk for WIN): create file list.awk with code: BEGIN {line=$0} { if (index($0,"Complete Set")) print substr(line,1,index(line,"+")-1) line=\$0 }
 Forum: Riesel Prime Search 2021-09-08, 05:06 Replies: 1,976 Views: 227,146 Posted By kar_bon Should read "321 Prime Search... Should read "321 Prime Search ('https://www.primegrid.com/primes/primes.php?project=321&factors=XGF&only=ALL&announcements=ALL&sortby=size&dc=no&search=') i.e. 3*2k±1" so the PrimeGrid Prime Search...
 Forum: Prime Wiki 2021-08-26, 14:34 Replies: 194 Sticky: Prime-Wiki Views: 67,888 Posted By kar_bon Today: 2^13 = 8192 pages in the Wiki and counting! Today: 2^13 = 8192 pages in the Wiki and counting!
 Forum: Prime Wiki 2021-08-15, 15:06 Replies: 194 Sticky: Prime-Wiki Views: 67,888 Posted By kar_bon There're sure many Riesel or Proth primes at UTM... There're sure many Riesel or Proth primes at UTM which are not in the RPPDb. Many of them are only as the mentioned for only one n-value (constant n-searches or like) and were not at high priority to...
 Forum: Conjectures 'R Us 2021-08-15, 13:39 Replies: 999 Sticky: Report top-5000 primes here Views: 125,376 Posted By kar_bon It's the 2nd Riesel Problem... It's the 2nd Riesel Problem ('https://www.rieselprime.de/ziki/Riesel_problem_2nd').
 Forum: Prime Wiki 2021-08-13, 13:29 Replies: 194 Sticky: Prime-Wiki Views: 67,888 Posted By kar_bon The moving of all Riesel type values and filling... The moving of all Riesel type values and filling the new parameter for the base into those pages is done. Many thanks to the bot from Happy5214 to do the task more automated. All other things...
 Forum: Software 2021-08-07, 12:45 Replies: 42 Views: 2,985 Posted By kar_bon In my Wiki I've the option to include all... In my Wiki I've the option to include all languages by using an own page. For example I've just created a page for the readme.txt ('https://www.rieselprime.de/ziki/Readme.txt') file with just...
 Forum: Prime Wiki 2021-07-29, 08:47 Replies: 44 Views: 2,807 Posted By kar_bon First I want to include more data from my old... First I want to include more data from my old pages and perhaps all for Proth k<10000, current works of PrimeGrid, who don't got any condensed presentation of the primes found from the beginning of...
 Forum: Riesel Prime Search 2021-07-27, 09:07 Replies: 439 Views: 86,049 Posted By kar_bon Reservation cancelled. For further... Reservation cancelled. For further searchers: - have a look at my old pages ('https://www.rieselprime.de/default.htm') (no more updates) - have a look at my Wiki...
 Forum: Prime Wiki 2021-07-27, 08:58 Replies: 44 Views: 2,807 Posted By kar_bon It's not that easy to import such user rights... It's not that easy to import such user rights from Wikipedia, because their got more deeper dependencies with modules and other templates. Giving editing rights for such very highly used templates...
 Forum: Riesel Prime Search 2021-07-25, 21:46 Replies: 439 Views: 86,049 Posted By kar_bon k=1759 was done to n=1M by NPLB Drive 10, but not... k=1759 was done to n=1M by NPLB Drive 10, but not yet included in the Wiki ('https://www.rieselprime.de/ziki/NPLB_Drive_10'), see also my old page...
 Forum: Prime Wiki 2021-07-14, 06:28 Replies: 194 Sticky: Prime-Wiki Views: 67,888 Posted By kar_bon I've changed/updated the template for Proth... I've changed/updated the template for Proth primes (k*b^n+1) including the base as parameter and in the page name. So there's no need to use a "Gen Proth prime" template (see also the "Template...
 Forum: Aliquot Sequences 2021-07-09, 16:18 Replies: 1,360 Views: 150,126 Posted By kar_bon 50^98 terminates in P35. 50^98 terminates in P35.
 Forum: Prime Wiki 2021-07-07, 12:57 Replies: 194 Sticky: Prime-Wiki Views: 67,888 Posted By kar_bon I've managed to store and display "Long numbers",... I've managed to store and display "Long numbers", using the FactorDB-IDs and shortcuts. This was needed to collect and display all types of Generalizes Fermat numbers of the forms a^2^n+b^2^n. ...
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