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2023-05-22, 09:10
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#78 |
"Oliver"
Sep 2017
Porta Westfalica, DE
30258 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
25×7×13 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
22×3×53 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
5×7×13 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
7,213 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
25·7·13 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
22·3·53 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
11100001011012 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
7,213 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
25·7·13 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
7078 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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