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Old 2021-07-24, 00:03   #1035
ryanp
 
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Jun 2012
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Quote:
Originally Posted by gd_barnes View Post
k=7 is complete to n=5M; double-check is complete for n=1M-4.23M. No primes found for n=1M-5M. The k is released. Results attached.

This is likely the longest currently running n-range without a prime for k<300.
I'm taking k=7 from n=5M to n=8M. Already found a hit.
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Old 2021-07-24, 21:37   #1036
gd_barnes
 
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k=21 is complete to n=3.5M; 1 prime found for n=2.89M-3.5M.

k=21 double-check is complete for n=1M-2.89M; 5 primes confirmed.

The k is released. Primes and results attached.
Attached Files
File Type: txt prime-riesel-base2-k21-1M-3.5M.txt (368 Bytes, 85 views)
File Type: zip results-riesel-base2-k21-1M-3.5M.zip (1.15 MB, 96 views)
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Old 2021-07-27, 21:52   #1037
japelprime
 
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"Erling B."
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k=83 at n=3.6M and continuing
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Old 2021-09-09, 15:30   #1038
Trilo
 
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Aug 2013
81*2^3174353-1

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k=55 at n=3.45m.
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Old 2021-09-27, 15:30   #1039
Trilo
 
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81*2^3174353-1

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Reserving k=21 from 3.5m

Building a new computer (Ryzen 5950x) on Friday excited to get it crunching!
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Old 2021-10-01, 11:50   #1040
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Mar 2007
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ongoing progress report:

k=193 at n=5M
k=195 at n=5M
k=197 at n=5M
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Old 2021-10-21, 23:53   #1041
Trilo
 
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81*2^3174353-1

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In contact with ryanp as it seems he was working on k=21 before me. Reserving k= 81 instead.
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Old 2021-10-21, 23:58   #1042
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Quote:
Originally Posted by Trilo View Post
In contact with ryanp as it seems he was working on k=21 before me. Reserving k= 81 instead.
k=81 might be a good one! Good luck! (had told Paul to jump on it - too late now!)

Last fiddled with by diep on 2021-10-21 at 23:59
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Old 2021-10-22, 02:11   #1043
Trilo
 
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81*2^3174353-1

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after speaking with ryanp he completed k= 21 from n=6-7m. I'll keep k=21 reserved along with k=81.

k=55 at n= 3.52m.

Quote:
Originally Posted by diep View Post
k=81 might be a good one! Good luck! (had told Paul to jump on it - too late now!)
Only time will tell ;)

Last fiddled with by Trilo on 2021-10-22 at 02:17
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Old 2021-11-11, 01:08   #1044
unconnected
 
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Status update:
k=29 @ 7M
k=253 @ 6.2M
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Old 2021-11-14, 12:11   #1045
japelprime
 
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k=83 at n=3.7M and continuing.
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