Forum: Miscellaneous Math
2022-08-14, 21:26
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Replies: 5
Views: 61
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Forum: Miscellaneous Math
2022-08-14, 20:29
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Replies: 5
Views: 61
One specific case of cyclotomic. Phip^2(2), or...
One specific case of cyclotomic. Phip^2(2), or equivalently, Phip(2p): A156585
Also with generalization, Phip(ap), where a>2, will produce some hits.
For any interestingly large numbers, - No....
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Forum: Forum Feedback
2022-08-14, 17:25
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Replies: 31
Views: 385
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Forum: FactorDB
2022-08-13, 22:19
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Replies: 573
Views: 108,392
Syd (the DB owner) has various limits for his...
Syd (the DB owner) has various limits for his available resources. This one is above the limit (it would eat up more CPU time, that he has).
N+1 proof doesn't error - it rejects with the message...
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Forum: Aliquot Sequences
2022-08-05, 01:30
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Replies: 3,698
Views: 442,936
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Forum: Lounge
2022-08-04, 05:37
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Replies: 119
Views: 7,247
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Forum: And now for something completely different
2022-08-04, 01:37
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Replies: 49
Views: 10,661
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Forum: FactorDB
2022-08-04, 01:32
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Replies: 573
Views: 108,392
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Forum: And now for something completely different
2022-08-02, 22:59
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Replies: 49
Views: 10,661
{parody of some folks' posts}
But... but.. if...
{parody of some folks' posts}
But... but.. if you sum up 1000007396's digits you will get 26.
Therefore, the digital root is 8.
If you take the digital root of p(1000007396) you will also get 8....
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Forum: Proth Prime Search
2022-08-01, 16:08
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Replies: 16
Views: 3,010
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Forum: NFS@Home
2022-07-31, 17:36
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Replies: 106
Views: 6,692
2,1416+ is done
2,1416+ cofactor =
p110 factor: 32312139386459660237589835506395782331854721499061954474461527504052156188529138203172395312834444925463648513
p132 factor:...
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Forum: Software
2022-07-30, 18:20
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Replies: 663
Views: 57,839
Because such FFT doesn't exist.
FFT are...
Because such FFT doesn't exist.
FFT are implemented for a certain list of sizes. In vicinity of "122" there are: 120, 128, 144 and so on.
Longer answer: "still why not 122?"
Because FFT is an...
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Forum: Lounge
2022-07-27, 23:15
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Replies: 13
Views: 300
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Forum: Chess
2022-07-26, 17:53
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Replies: 5
Views: 356
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Forum: Lounge
2022-07-25, 21:12
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Replies: 1,973
Views: 236,870
Paul Sorvino...
Paul Sorvino (https://www.bbc.com/news/world-us-canada-62296883), actor
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Forum: Linux
2022-07-25, 10:07
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Replies: 21
Views: 562
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Forum: Chess
2022-07-23, 21:43
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Replies: 4
Views: 164
GM Magnus Carlsen's abdication
https://www.chess.com/news/view/carlsens-abdication-reactions-from-the-chess-world
______________
* just in case, unrelated note:
the last name Nepomniachtchi (Непо́мнящий) is a nice inside joke;...
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Forum: And now for something completely different
2022-07-21, 11:51
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Replies: 49
Views: 10,661
p(19439060)...
p(19439060) (http://factordb.com/index.php?id=1100000003809020989) and p(19439060)+4 (http://factordb.com/index.php?id=1100000003809021930) are cousin primes.
Work in progress: A355956 = 3, 5, 6,...
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Forum: Miscellaneous Math
2022-07-20, 22:46
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Replies: 27
Views: 1,222
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Forum: Miscellaneous Math
2022-07-19, 06:18
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Replies: 27
Views: 1,222
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Forum: Miscellaneous Math
2022-07-18, 10:06
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Replies: 27
Views: 1,222
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Forum: NFS@Home
2022-07-17, 20:32
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Replies: 106
Views: 6,692
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Forum: Lounge
2022-07-17, 00:47
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Replies: 296
Views: 45,699
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Forum: Miscellaneous Math
2022-07-16, 23:06
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Replies: 27
Views: 1,222
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Forum: Miscellaneous Math
2022-07-16, 22:42
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Replies: 27
Views: 1,222
You are computing Mod(1/2,D)^7 and compare to...
You are computing Mod(1/2,D)^7 and compare to 2^4. (where 4 is simply a red herring value. You can change it to 3, to 7, to anything.)
That's the same as as computing Mod(1/2,D)^P by dividing by...
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