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-   LMH > 100M (https://www.mersenneforum.org/forumdisplay.php?f=46)
-   -   100M digits prefactor project. (https://www.mersenneforum.org/showthread.php?t=2558)

gribozavr 2005-11-15 18:28

I think we should set a "goal" bit depth, like GIMPS trial factoring work. But I can't estimate the needed bit depth -- someone with knowledge should tell us.
A short-term task (at least, for myself): bring all "deep" exponents to 70 bits (only 5 left; need less than 24 hours for 1 exponent; see below) and start some more "deep" exponents.


M332193461 from 66 to 70 bits with mfactor. No factors found. 1117 minutes.

gribozavr 2005-11-15 22:56

M332193721 has a factor: 535769736532113075991. Found with mfactor.

gribozavr 2005-11-16 20:26

M332193751 from 64 to 70 bits with mfactor. No factors found. 1210 minutes.

gribozavr 2005-11-17 21:51

M332192897 from 65 to 70 bits with mfactor. No factors found. 1201 minutes.

gribozavr 2005-11-18 22:21

M332192957 from 66 to 70 bits with mfactor. No factors found. 1110 minutes.

gribozavr 2005-11-19 19:55

M332193833 from 68 to 70 bits with mfactor. No factors found. 915 minutes.

gribozavr 2005-11-20 19:57

M332193859 from 65 to 70 bits with mfactor. No factors found. 1186 minutes.

gribozavr 2005-11-21 18:55

M332192897 from 70 to 71 bits with mfactor. No factors found. 1259 minutes.

gribozavr 2005-11-22 17:16

M332192957 from 70 to 71 bits with mfactor. No factors found. 1175 minutes.

OmbooHankvald 2005-11-23 08:47

It seems this project is running along quite nicely. However there are some issues:

1) It could be nice if someone with mathematical knowledge could help us with f.ex. choosing the right bit depth and knowing how to process the results.
I am only coordinating who is doing what and updating the website! I have absolutely NONE of the math-knowledge to know more about the theories of the project.

2) I have many other things to do, so if the updates are not coming daily that is the reason. Help would be welcome, but not necessary (yet!)

OH

gribozavr 2005-11-24 19:43

M332193539 from 65 to 71 bits with mfactor. No factors found. 1200 minutes.


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