Forum: Factoring
2022-08-13, 22:50
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Replies: 27
Views: 1,060
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Forum: Factoring
2022-08-13, 17:03
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Replies: 27
Views: 1,060
Workdir sets the directory where CADO will put...
Workdir sets the directory where CADO will put all the files related to its current job. You should make a new one for each job and give it a helpful name, e.g. if you were factoring the 139-digit...
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Forum: Aliquot Sequences
2022-08-13, 14:34
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Replies: 162
Views: 53,905
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Forum: Factoring
2022-08-13, 13:19
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Replies: 27
Views: 1,060
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Forum: Dobri
2022-08-13, 11:10
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Replies: 51
Views: 4,649
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Forum: NFS@Home
2022-08-09, 17:24
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Replies: 103
Views: 5,942
This does make sense for numbers where the...
This does make sense for numbers where the algebraic and rational norms are very similar in size. The special-q essentially gives you a large prime for free on the side that you're sieving on, so...
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Forum: Dobri
2022-08-08, 11:42
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Replies: 51
Views: 4,649
This is equivalent to saying that if 8p+1 is...
This is equivalent to saying that if 8p+1 is prime and of the form (2a-1)^2+64(2b-1)^2, then 2 is an 8th power mod 8p+1.
You've rediscovered an old result on when 2 is an 8th power modulo a prime....
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Forum: NFS@Home
2022-08-08, 11:19
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Replies: 103
Views: 5,942
2^lpb is the cutoff for the size of the largest...
2^lpb is the cutoff for the size of the largest primes/ideals that can appear in relations. Increasing lpb means that you find more relations, because you're allowing larger primes. But you also need...
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Forum: Aliquot Sequences
2022-08-08, 11:13
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Replies: 162
Views: 53,905
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Forum: Msieve
2022-08-07, 18:16
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Replies: 94
Views: 527
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Forum: NFS@Home
2022-08-07, 13:20
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Replies: 103
Views: 5,942
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Forum: NFS@Home
2022-08-06, 12:55
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Replies: 465
Views: 59,073
As discussed in this thread...
As discussed in this thread (https://www.mersenneforum.org/showthread.php?p=609753), these are both small jobs that can be run on a single PC within a week or two. If you care about them that much,...
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Forum: NFS@Home
2022-08-05, 14:05
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Replies: 97
Views: 6,264
QUEUED AS 2_1443m1
2,1443- is a Cunningham...
QUEUED AS 2_1443m1
2,1443- is a Cunningham composite of SNFS difficulty 290 from the recent base 2 extension. Hopefully this will be the last one that I have to send to 15e.
n:...
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Forum: And now for something completely different
2022-08-04, 12:08
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Replies: 49
Views: 10,657
The indices of the first 17 partition primes...
The indices of the first 17 partition primes (https://oeis.org/A046063) are 2, 3, 4, 5, 6, 13, 36, 77, 132, 157, 168, 186, 188, 212, 216, 302, 366...
I'm sure that if we were in the 1950s and this...
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Forum: And now for something completely different
2022-08-04, 02:04
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Replies: 49
Views: 10,657
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Forum: And now for something completely different
2022-08-04, 01:52
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Replies: 49
Views: 10,657
I'm not sure whether to laugh or cry... you...
I'm not sure whether to laugh or cry... you submit several new OEIS sequences, put "this sequence should be infinite" comments on all of them solely to make Sweety's life easier, and then this...
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Forum: FactorDB
2022-08-03, 13:21
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Replies: 71
Views: 18,990
405 million primes, 265 million unfactored...
405 million primes, 265 million unfactored composites. http://factordb.com/status.php
The real point of xilman's post is that "for every new factor submitted, test it against hundreds of millions...
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Forum: Science & Technology
2022-08-01, 20:25
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Replies: 76
Views: 40,757
Indeed! :smile:
In order for it to make...
Indeed! :smile:
In order for it to make sense to talk about the centre of mass of a 3-sphere or a 3-torus, you need to embed it in 4-dimensional space. But hypothetically, if the universe has one...
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Forum: Science & Technology
2022-08-01, 19:10
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Replies: 76
Views: 40,757
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Forum: NFS@Home
2022-08-01, 16:02
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Replies: 106
Views: 6,676
Depends how old your msieve is...
Diff of...
Depends how old your msieve is...
Diff of /trunk/gnfs/filter/filter.c [r1022] .. [r1023] (dated 19 Aug 2018)
--- a/trunk/gnfs/filter/filter.c
+++ b/trunk/gnfs/filter/filter.c
@@ -156,7 +156,7...
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Forum: Factoring
2022-08-01, 00:28
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Replies: 91
Views: 6,754
If you're going to invent terminology, please...
If you're going to invent terminology, please explain what it means, otherwise people will be mystified as you can see.
All I see there is posts that correctly point out that the square root...
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Forum: NFS@Home
2022-07-30, 22:27
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Replies: 106
Views: 6,676
This particular octic polynomial is the poster...
This particular octic polynomial is the poster child for normalizing your yields (https://mersenneforum.org/showpost.php?p=568941&postcount=83) when test-sieving. The number of special-Q in a 5k...
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Forum: Factoring
2022-07-30, 16:05
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Replies: 91
Views: 6,754
:no:
What makes you believe that 2^1277-1...
:no:
What makes you believe that 2^1277-1 can't be written as a^2+3b^2? We won't know if it can be until we know at least one prime factor. N can be represented in the form a^2+3b^2 if and only if...
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Forum: Msieve
2022-07-29, 15:13
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Replies: 94
Views: 527
The msieve-lacuda-nfsathome branch of...
The msieve-lacuda-nfsathome branch of https://github.com/gchilders/msieve_nfsathome.git.
As frmky said a few posts back, there is no precompiled Windows version. You should follow the instructions...
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Forum: Msieve
2022-07-29, 02:00
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Replies: 94
Views: 527
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