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Old 2022-11-12, 11:00   #1706
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667*2^1839205-1 is prime
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Old 2022-11-12, 12:09   #1707
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Added 134530 : 567*2^2146332-1 (646114 digits)
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Old 2022-11-14, 23:48   #1708
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705*2^1840379-1 is prime
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Old 2022-11-15, 05:11   #1709
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405*2^2152377-1 is Prime!

Seems like this one was reported on the 14th November by the Riesel Prime Search.

Last fiddled with by Luminescence on 2022-11-15 at 05:12
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Old 2022-11-15, 11:48   #1710
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Quote:
Originally Posted by Luminescence View Post
405*2^2152377-1 is Prime!

Seems like this one was reported on the 14th November by the Riesel Prime Search.
VBCurtis at RPS has searched k=405 on-and-off for many years beginning a little before NPLB was started. Coincidentally he happened to find the prime shortly before you did.
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Old 2022-11-15, 16:51   #1711
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Quote:
Originally Posted by gd_barnes View Post
VBCurtis at RPS has searched k=405 on-and-off for many years beginning a little before NPLB was started. Coincidentally he happened to find the prime shortly before you did.
Ohhh well, whatever… I have found plenty so far

Added 134542 : 415*2^2153341-1 (648223 digits)
Added 134543 : 537*2^2153392-1 (648239 digits)

Like these two back to back
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Old 2022-11-16, 05:33   #1712
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Quote:
Originally Posted by Luminescence View Post
Ohhh well, whatever… I have found plenty so far

Added 134542 : 415*2^2153341-1 (648223 digits)
Added 134543 : 537*2^2153392-1 (648239 digits)

Like these two back to back
Nice run! 2 primes within 45 minutes of each other and 6 primes in < 8 days!
Meanwhile:
713*2^1841166-1 is prime!
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Old 2022-11-21, 00:26   #1713
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Max found:
655*2^1843379-1 is prime
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Old 2022-11-22, 08:32   #1714
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Added 134569 : 453*2^2165267-1 (651813 digits)
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Old 2022-11-26, 05:46   #1715
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775*2^1846945-1 is prime
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Old 2022-11-27, 03:16   #1716
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Max found:
663*2^1847319-1 is prime
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