20210724, 00:03  #1035  
Jun 2012
Boulder, CO
17·19 Posts 
Quote:


20210724, 21:37  #1036 
May 2007
Kansas; USA
2·5,261 Posts 
k=21 is complete to n=3.5M; 1 prime found for n=2.89M3.5M.
k=21 doublecheck is complete for n=1M2.89M; 5 primes confirmed. The k is released. Primes and results attached. 
20210727, 21:52  #1037 
"Erling B."
Dec 2005
59_{16} Posts 
k=83 at n=3.6M and continuing

20210909, 15:30  #1038 
"W. Byerly"
Aug 2013
1423*2^21790231
107 Posts 
k=55 at n=3.45m.

20210927, 15:30  #1039 
"W. Byerly"
Aug 2013
1423*2^21790231
6B_{16} Posts 
Reserving k=21 from 3.5m
Building a new computer (Ryzen 5950x) on Friday excited to get it crunching! 
20211001, 11:50  #1040 
Mar 2007
Estonia
149 Posts 
ongoing progress report:
k=193 at n=5M k=195 at n=5M k=197 at n=5M 
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