mersenneforum.org Riesel Primes k*2^n-1, k<300 [Part II]
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 2022-05-20, 04:21 #1057 Grotex     "Jiahao He" May 2018 China 2·31 Posts Hello, how many k is not reserved? Can I reserve it? Last fiddled with by Grotex on 2022-05-20 at 04:23
2022-05-20, 15:51   #1058
Trilo

"W. Byerly"
Aug 2013
81*2^3174353-1

7·19 Posts

Quote:
 Originally Posted by Grotex Hello, how many k is not reserved? Can I reserve it?
https://www.rieselprime.de/ziki/Riesel_2_1-300

This table keeps track of Riesel k < 300 reservations. Feel free to reserve an unreserved k.

2022-06-04, 18:56   #1059
MooMoo2

Aug 2010

29C16 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 double-check residues are at: https://www.mersenneforum.org/showpo...8&postcount=71 )
Attached Files
 5000000 - 5073000.txt (158.2 KB, 14 views)

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