20220520, 04:21  #1057 
"Jiahao He"
May 2018
China
76_{8} Posts 
Hello,
how many k is not reserved? Can I reserve it? Last fiddled with by Grotex on 20220520 at 04:23 
20220520, 15:51  #1058 
"W. Byerly"
Aug 2013
81*2^31743531
7×19 Posts 
https://www.rieselprime.de/ziki/Riesel_2_1300
This table keeps track of Riesel k < 300 reservations. Feel free to reserve an unreserved k. 
20220604, 18:56  #1059 
Aug 2010
29F_{16} Posts 
k=19 is complete to n=5.073M with no primes found, and the results are attached. I'm continuing with this k.
Somewhat interesting fact: it takes slightly longer to test n=5M to n=5.073M than it takes to test n=1 to n=1787500 (the doublecheck residues are at: https://www.mersenneforum.org/showpo...8&postcount=71 ) 
20220711, 00:22  #1060  
Aug 2010
11·61 Posts 
Quote:
The results file is attached. 

20220731, 20:08  #1061 
"Erling B."
Dec 2005
103 Posts 
k=83
k=83 at n=4.0M and continuing.

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