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2023-05-22, 09:10
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#78 |
"Oliver"
Sep 2017
Porta Westfalica, DE
23×71 Posts |
Base 127 is done up to 125K for both sides. Residues attached. Tests that were resumed were double checked. No new primes (known ones that were found while double checking below). Releasing this base, keeping base 11.
2 · 1272-1 26 · 12726-1 158 · 127158-1 |
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2023-05-22, 19:51
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#79 |
"Vincent"
Apr 2010
Over the rainbow
23·5·73 Posts |
Once again, b253+ taken to 100k, no prime found
taking b254+ |
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2023-05-24, 12:24
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#80 |
Jul 2003
10100000002 Posts |
hi,
gcb=31, n=200k-400k done no prp found gcb=31 released |
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2023-05-26, 01:52
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#81 |
Jun 2012
Boulder, CO
32×53 Posts |
I'm going to take Cullen base b=14 from n=1M to n=2M.
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2023-05-27, 16:47
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#82 |
"Mark"
Apr 2003
Between here and the
734110 Posts |
Cullen bases 61 thru 68 reserved to n=200000.
Last fiddled with by rogue on 2023-05-31 at 18:17 |
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2023-05-28, 07:45
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#83 |
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"Vincent"
Apr 2010
Over the rainbow
23·5·73 Posts |
Cullen b254 taken to 100k, one prime found.
18508*254^18508+1 is 3-PRP! (13.3124s+0.0006s) |
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2023-05-28, 10:23
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#84 | |
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Jul 2003
27·5 Posts |
Quote:
gcb=61 n=100k-300k are already done by myself as you can see at post #58 |
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2023-05-28, 13:23
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#85 | |
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"Mark"
Apr 2003
Between here and the
3×2,447 Posts |
Quote:
I have completed my reservation for bases 4, 5, 6, 7, 9, and 10 to n=500000. Previous primes have been verified. Two new primes were found: 474280*7^474280+1 403765*10^403765+1 |
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2023-05-28, 20:26
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#86 |
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"Mark"
Apr 2003
Between here and the
11100101011012 Posts |
Taking Cullen bases 70, 71, 72, 74, 75, 76, 77, and 78 to n=200000.
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2023-05-29, 11:32
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#87 |
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"Vincent"
Apr 2010
Over the rainbow
1011011010002 Posts |
oops, forgot to say I took b259+.
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2023-05-29, 18:12
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#88 |
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Jun 2012
Boulder, CO
32×53 Posts |
Testing Cullen b=14 from n=1M to n=2M completed. Found 3 new primes:
Code:
1198433*14^1198433+1 1486287*14^1486287+1 1909683*14^1909683+1 |
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