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 Showing results 1 to 14 of 14 Search took 0.01 seconds. Search: Posts Made By: kar_bon
 Forum: Conjectures 'R Us 2021-10-07, 04:52 Replies: 115 Views: 38,497 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: Conjectures 'R Us 2020-12-14, 08:22 Replies: 115 Views: 38,497 Posted By kar_bon 10*284^112809-1 (276758 decimal digits) is prime ... 10*284^112809-1 (276758 decimal digits) is prime tested 100000
 Forum: Conjectures 'R Us 2020-12-04, 11:42 Replies: 115 Views: 38,497 Posted By kar_bon I've changed/updated the page in the PrimeWiki... I've changed/updated the page in the PrimeWiki for least Riesel values (https://www.rieselprime.de/ziki/Riesel_prime_small_bases_least_n). Now the wanted values are stored in a data file (no adds...
 Forum: Conjectures 'R Us 2020-08-03, 06:28 Replies: 115 Views: 38,497 Posted By kar_bon 4*438^n-1 is tested through n=300k, no prime. 4*438^n-1 is tested through n=300k, no prime.
 Forum: Conjectures 'R Us 2020-05-25, 11:30 Replies: 115 Views: 38,497 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: Conjectures 'R Us 2020-05-05, 07:14 Replies: 115 Views: 38,497 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: Conjectures 'R Us 2020-02-18, 07:17 Replies: 115 Views: 38,497 Posted By kar_bon I've found: 8*283^164768-1 is prime Base... I've found: 8*283^164768-1 is prime Base 283 for k=8 tested to n=166k.
 Forum: Conjectures 'R Us 2019-06-10, 07:38 Replies: 115 Views: 38,497 Posted By kar_bon Checked 6*299^n-1 from n=25k (up to 65k) and... Checked 6*299^n-1 from n=25k (up to 65k) and found: 6*299^64897-1 is prime!
 Forum: Conjectures 'R Us 2019-06-08, 12:50 Replies: 115 Views: 38,497 Posted By kar_bon I've included two pages in the Prime-Wiki for... I've included two pages in the Prime-Wiki for these values: - Riesel type ('https://www.rieselprime.de/ziki/Riesel_prime_small_bases_least_n') - Proth type...
 Forum: Conjectures 'R Us 2018-06-10, 07:17 Replies: 115 Views: 38,497 Posted By kar_bon 4*513^38031-1 is prime 4*513^38031-1 is prime
 Forum: Conjectures 'R Us 2018-06-09, 09:23 Replies: 115 Views: 38,497 Posted By kar_bon 4*312^51565-1 is prime! 4*312^51565-1 is prime!
 Forum: Conjectures 'R Us 2018-06-08, 07:16 Replies: 115 Views: 38,497 Posted By kar_bon 8*194^38360-1 is prime 8*194^38360-1 is prime
 Forum: Conjectures 'R Us 2008-11-06, 12:40 Replies: 115 Views: 38,497 Posted By kar_bon BTW the set are the first Fermat numbers F0 to... BTW the set are the first Fermat numbers F0 to F6 with their factors!! PS ok, Robert saw this!
 Forum: Conjectures 'R Us 2008-11-06, 09:48 Replies: 115 Views: 38,497 Posted By kar_bon don't know if your realized that the 5. Fermat... don't know if your realized that the 5. Fermat number is F5 = 641 * 6700417 ! see here http://www.prothsearch.net/fermat.html
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