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 Showing results 1 to 25 of 1000 Search took 0.44 seconds. Search: Posts Made By: kar_bon
 Forum: Wagstaff PRP Search 2020-05-27, 00:52 Replies: 368 Views: 28,280 Posted By kar_bon Or like this: p k 167747 4302619329240 ... Or like this: p k 167747 4302619329240 with factor = 2kp+1 of exponent p.
 Forum: Prime Wiki 2020-05-25, 21:25 Replies: 162 Sticky: Prime-Wiki Views: 10,807 Posted By kar_bon Again the sieve file: I've changed the... Again the sieve file: I've changed the handling, when creating a new k-value - new k-value for Riesel prime created (not saved yet, only "Show preview") with RSieve set (like "RSieve=y") - there...
 Forum: Prime Wiki 2020-05-25, 20:07 Replies: 162 Sticky: Prime-Wiki Views: 10,807 Posted By kar_bon RCount will become the value which will be taken... RCount will become the value which will be taken when a k-value is shown in any overview table. The automated counting is only done in the template of the k-value page to be sure taking the correct...
 Forum: Conjectures 'R Us 2020-05-25, 11:30 Replies: 107 Views: 11,319 Posted By kar_bon 4*303^198357-1... 4*303^198357-1 ('https://primes.utm.edu/primes/page.php?id=130922') is prime, 492,213 digits
 Forum: Prime Wiki 2020-05-24, 21:06 Replies: 162 Sticky: Prime-Wiki Views: 10,807 Posted By kar_bon I'm currently working on trying to speed up the... I'm currently working on trying to speed up the generating of the prime tables for Riesel primes. So I decided to extend a new parameter "RCount" to the Riesel prime template...
 Forum: No Prime Left Behind 2020-05-19, 15:53 Replies: 249 Sticky: News Views: 37,309 Posted By kar_bon The range 600
 2020-05-17, 10:11 Replies: 18 Views: 350 Posted By kar_bon srfile "-w" option sorts by n! When running... srfile "-w" option sorts by n! When running pfgw also use an expression like "{number_primes,\$a,1}" in the header, see the documentation there.
 Forum: Conjectures 'R Us 2020-05-17, 10:00 Replies: 3 Views: 27 Posted By kar_bon other conjectures For the problem 49 there's also an overview here ('https://www.rieselprime.de/Related/RieselTwinSG.htm'). I've updated up to k=500 but this should be done later in the Wiki, because the current...
 Forum: Prime Wiki 2020-05-15, 07:54 Replies: 162 Sticky: Prime-Wiki Views: 10,807 Posted By kar_bon The 'problem' with RPS Drive 9 &10 is they... The 'problem' with RPS Drive 9 &10 is they started searching for n>400k, so the given max n-value is not correct in the Wiki for all those k-values yet. In the bgeinning I decided not to include a...
 Forum: Prime Wiki 2020-05-14, 08:00 Replies: 162 Sticky: Prime-Wiki Views: 10,807 Posted By kar_bon No, it was Riesel k=25... No, it was Riesel k=25 ('https://www.rieselprime.de/ziki/Riesel_prime_25') (see here ('https://www.mersenneforum.org/showpost.php?p=537956&postcount=1932')). Borys found his first prime of this...
 Forum: Prime Wiki 2020-05-13, 20:28 Replies: 162 Sticky: Prime-Wiki Views: 10,807 Posted By kar_bon Riesel type primes are not listed separately in... Riesel type primes are not listed separately in the Top20, but Proth primes do. To get into the Top5000 with a Riesel prime, the n-value has currently be >~1.5 M (a higher k-value makes only small...
 Forum: Prime Wiki 2020-05-12, 23:48 Replies: 162 Sticky: Prime-Wiki Views: 10,807 Posted By kar_bon So where do you see a problem here? Sure... So where do you see a problem here? Sure every logged in user can edit any page, but as admin I have to mark as checked every edit, so any 'spam' will be spotted. Any edit can be watched in the...
 Forum: No Prime Left Behind 2020-05-07, 18:09 Replies: 249 Sticky: News Views: 37,309 Posted By kar_bon The range 400
 Forum: Conjectures 'R Us 2020-05-05, 07:14 Replies: 107 Views: 11,319 Posted By kar_bon 8*97^192335-1 is prime (382127 digits) 8*97^n-1... 8*97^192335-1 is prime (382127 digits) 8*97^n-1 tested for 100000
 Forum: Sierpinski/Riesel Base 5 2020-05-04, 21:45 Replies: 20 Views: 12,622 Posted By kar_bon Seems this was not reported here yet: ... Seems this was not reported here yet: 118568 * 5^3112069+1 ('https://primes.utm.edu/primes/page.php?id=130869') is prime, found on 2020-05-01
 Forum: No Prime Left Behind 2020-05-02, 19:12 Replies: 249 Sticky: News Views: 37,309 Posted By kar_bon I've inserted many history data for all 300
 Forum: Conjectures 'R Us 2020-04-27, 15:18 Replies: 3,664 Views: 211,799 Posted By kar_bon 9*990^23031-1 was found by Gary on 2019-06-07,... 9*990^23031-1 was found by Gary on 2019-06-07, see here ('https://www.mersenneforum.org/showpost.php?p=518762&postcount=93'). k*b^n-1 was tested there for k<=12, b<=1030 and n<=25k for a different...
 Forum: Riesel Prime Search 2020-04-25, 02:35 Replies: 543 Views: 37,685 Posted By kar_bon If needed I've made the 1000 files for every 1000... If needed I've made the 1000 files for every 1000 n-range from n=2M to 3M with 1008910 candidates all over in standard LLR format (header, sorted by n-value with all 21 k-values) from the latest...
 Forum: No Prime Left Behind 2020-04-24, 07:31 Replies: 688 Views: 42,018 Posted By kar_bon I've reanimated my k=1471 search at n=1.71M and... I've reanimated my k=1471 search at n=1.71M and found this for now: 1471*2^1772755-1 ('https://primes.utm.edu/primes/page.php?id=130853') is prime! (533656 decimal digits) Continuing.
 Forum: Prime Wiki 2020-04-24, 07:27 Replies: 3 Views: 340 Posted By kar_bon The link is under the distributed computing... The link is under the distributed computing projects (version of old MersenneWiki) as "http://www.myjavaserver.com/~primesearch/" but there is only the start page, no data like here...
 Forum: Prime Wiki 2020-04-23, 12:18 Replies: 3 Views: 340 Posted By kar_bon Riesel primes for 300
 Forum: Riesel Prime Search 2020-04-20, 20:53 Replies: 50 Views: 2,826 Posted By kar_bon Your AND you meant as a logical and-operation of... Your AND you meant as a logical and-operation of both numbers, but that's not what the definition of a SG is and the example I gave. Please read this article...
 Forum: Riesel Prime Search 2020-04-20, 08:27 Replies: 50 Views: 2,826 Posted By kar_bon What does this mean? 263167 is 257*2^10-1 and... What does this mean? 263167 is 257*2^10-1 and nothing of the above on the left side. What are you trying here? Suggestion for your own code: - take a Riesel k-value (preferred k divisible by 3)...
 Forum: Riesel Prime Search 2020-04-19, 21:00 Replies: 50 Views: 2,826 Posted By kar_bon First writing and then running a program implies... First writing and then running a program implies to understand the mathmatics behind to code you use. Your code "(k*2^n-1 -and- k*2^(n+1)) - 1" is wrong here. Please read an article about Sophie...
 Forum: Riesel Prime Search 2020-04-18, 20:26 Replies: 50 Views: 2,826 Posted By kar_bon Not really. Looking at my rieselprime pages (like... Not really. Looking at my rieselprime pages (like for Riesel 300-2000) you will spot the marked n-values for twins (red) or Sophie-Germain primes (bold). (Note: Sophie Germain for a Riesel k-value...
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