Forum: mersenne.ca
2022-06-08, 21:43
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Replies: 942
Views: 128,692
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Forum: mersenne.ca
2022-06-08, 21:33
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Replies: 942
Views: 128,692
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Forum: mersenne.ca
2022-06-07, 00:47
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Replies: 942
Views: 128,692
Because of a couple of discussion of M1277...
Because of a couple of discussion of M1277 kriesel asked if I could update the data I provided you in #660 (https://www.mersenneforum.org/showpost.php?p=584341&postcount=660). Let me know if there's...
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Forum: Factoring
2022-06-07, 00:37
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Replies: 91
Views: 6,814
We already did the math in another post:...
We already did the math in another post: https://www.mersenneforum.org/showthread.php?t=23280 starting around #60
Re-running my numbers I get a slightly different result (using Dickman's function...
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Forum: GMP-ECM
2022-05-24, 17:52
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Replies: 521
Views: 152,761
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Forum: Factoring
2022-05-11, 08:05
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Replies: 430
Views: 88,044
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Forum: Prime Gap Searches
2022-04-28, 07:13
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Replies: 122
Views: 36,161
primecert v2
Michiel had some excellent suggestions about updating the "primecert" column to more than
"C" - certified
"P" - probabilistic
"?" - unverified
In short they suggest adding, P (proven), D...
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Forum: Prime Gap Searches
2022-04-13, 06:30
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Replies: 122
Views: 36,161
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Forum: Prime Gap Searches
2022-04-11, 16:51
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Replies: 122
Views: 36,161
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Forum: Lone Mersenne Hunters
2022-04-11, 05:05
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Replies: 2,178
Views: 338,756
Found two factors for a TWOK candidate. one...
Found two factors for a TWOK candidate. one factor in stage one, one factor in stage two.
Both were missed by a 2003 P-1; both could be found with small B1, B2 so the large B2 from 30.8 was a little...
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Forum: Data
2022-04-07, 20:18
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Replies: 1,409
Views: 192,541
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Forum: Factoring
2022-04-03, 06:22
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Replies: 144
Views: 17,769
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Forum: Lone Mersenne Hunters
2022-03-26, 05:11
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Replies: 2,178
Views: 338,756
M19414627 has a factor:...
M19414627 has a factor: 259213687242140687678761255384193 (107.676 bits)
My largest factor in the last few months and it was found in stage 1 with B1=800,000!
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Forum: mersenne.ca
2022-03-25, 19:33
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Replies: 942
Views: 128,692
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Forum: mersenne.ca
2022-03-25, 19:20
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Replies: 942
Views: 128,692
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Forum: Software
2022-03-22, 03:03
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Replies: 663
Views: 58,274
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Forum: Data
2022-03-21, 21:21
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Replies: 1,409
Views: 192,541
I'm working on 19.4 But I'm a little worried.
...
I'm working on 19.4 But I'm a little worried.
I've completed 175 P-1 at B1=800K B2=780M which is roughly a 7.2% chance of factor (https://www.mersenne.ca/exponent/19400573). Accounting for the...
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Forum: Factoring
2022-03-17, 08:55
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Replies: 144
Views: 17,769
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Forum: GMP-ECM
2022-03-17, 08:42
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Replies: 521
Views: 152,761
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Forum: Factoring
2022-03-08, 20:46
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Replies: 144
Views: 17,769
TL;DR If you are still running B2 you should...
TL;DR If you are still running B2 you should probably set B1 for each t-level based on this chart (https://members.loria.fr/PZimmermann/records/ecm/params.html) then round number of curves to the...
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Forum: Factoring
2022-03-08, 06:53
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Replies: 144
Views: 17,769
This isn't documented anywhere, but if we talk...
This isn't documented anywhere, but if we talk through some good notes here I'll happily write them up and include them after the program runs. This is doing the same thing you are with runecmCGBN,...
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Forum: Factoring
2022-03-07, 22:43
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Replies: 144
Views: 17,769
You can run `./gpu_throughput_test.sh` from the...
You can run `./gpu_throughput_test.sh` from the gmp-ecm folder and it should test with many different multiples of the default (1/4x, 1/2x, 1x, 2x, 4x, 8x). If the default 1x curves is bad It takes...
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Forum: GMP-ECM
2022-03-07, 18:01
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Replies: 521
Views: 152,761
There's also some code under multiecm.c...
There's also some code under multiecm.c (https://gitlab.inria.fr/zimmerma/ecm/-/blob/master/multiecm.c) in gmp-ecm. I've never used it (I prefer Wraith's ecm.py), the header is
/* multiecm.c -...
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Forum: Factoring
2022-03-06, 23:51
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Replies: 144
Views: 17,769
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Forum: Factoring
2022-03-06, 19:26
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Replies: 144
Views: 17,769
"Getting" CGBN should be `git clone...
"Getting" CGBN should be `git clone https://github.com/NVlabs/CGBN.git` which will create a new directory "CGBN" then the commands chris2be8 wrote (thanks) should work.
I got access to contribute...
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