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-   -   COMPLETE!!!! Thinking out loud about getting under 20M unfactored exponents (https://www.mersenneforum.org/showthread.php?t=22476)

masser 2022-03-25 13:14

[QUOTE=petrw1;602329]If you don't get a better offer to help someone you can have 18.8M. I was going to do it when I get home next week but I have other options.

Thanks[/QUOTE]

Thanks, I will start 18.8M now that 16.3M is finished. I will work from the bottom up. If anyone wants to work on the top of the range, just post a message here (or PM), so we can coordinate.

petrw1 2022-03-25 14:26

[QUOTE=LaurV;602490]:chappy:
Yarrr!!
[URL="https://www.mersenne.org/report_exponent/?exp_lo=17052247&full=1"]
This factor[/URL] is noteworthy from at least two reasons, and those are not considering its 129 bits size...

First, it [URL="https://www.mersenne.ca/exponent/17052247"]was missed[/URL] by the first (anon) run.

Then, it was found in stage 1.

Ha! I bet the anon guy is now banging their head against the wall... :razz:[/QUOTE]

Hmmm, but almost 20 years later. :razz:

alpertron 2022-03-25 14:58

[QUOTE=masser;602497]Thanks, I will start 18.8M now that 16.3M is finished. I will work from the bottom up. If anyone wants to work on the top of the range, just post a message here (or PM), so we can coordinate.[/QUOTE]

There are only two factors missing in my range 14.1M. If you want, I can reserve the range 18.85M to 18.9M.

petrw1 2022-03-25 15:32

[QUOTE=alpertron;602510]There are only two factors missing in my range 14.1M. If you want, I can reserve the range 18.85M to 18.9M.[/QUOTE]

You might want to clarify with masser.
I think this is what he means by "bottom".

masser 2022-03-25 15:46

[QUOTE=alpertron;602510]There are only two factors missing in my range 14.1M. If you want, I can reserve the range 18.85M to 18.9M.[/QUOTE]

That works for me. I'm starting with 18.80M, then 18.81M,etc. I'll stop at 18.85M.

alpertron 2022-03-25 15:51

[QUOTE=masser;602524]That works for me. I'm starting with 18.80M, then 18.81M,etc. I'll stop at 18.85M.[/QUOTE]
Ok. I will start as soon the range 14.1M is complete.

chalsall 2022-03-25 18:59

[QUOTE=axn;602135]Can we simplify the twok table by collapsing all the 1M sub-tables into a single big one with just one header and one "Totals"?[/QUOTE]

[URL="https://www.gpu72.com/twok/"]Done.[/URL]

Nicely fits on one page now.

axn 2022-03-26 01:46

[QUOTE=chalsall;602540][URL="https://www.gpu72.com/twok/"]Done.[/URL]

Nicely fits on one page now.[/QUOTE]

:tu:

petrw1 2022-03-26 03:40

Less than 500 factors remaining
 
Less than 20 ranges remaining

petrw1 2022-03-28 22:30

This will be my penultimate status update.
 
Now that I'm back home...

My next and last update will be when the project is 100% complete.
I am expecting that to be about mid April.

Ranges completed since the last update (mid January) .... too many to list ... all I can says is WOW!!!
There are only 15 ranges remaining and all are in progress.
Over 97% of the total ranges are cleared.

3,291 factors since the last update
Over 99% of the total factors required have been found.
Less than 400 to go.

Me personally:
My GPUS are factoring where help is most needed.
My 5 CPUs are nearing completion of my last 4 ranges.
I expect it will be about 2 more weeks.
The other remaining ranges should be mostly done or near done by then,
but once I am finished I may ask if anyone needs a little help to finish.

=========

Then I'll be moving on to the follow-on project mentioned here about a week ago.
More details to follow in a few days as several of you have run out of work here...
and if you are interesting in the next project I feel the need to provide a little more clarity.
@Chris is nearing completion of a status table similar the that which he provides for this project.

:w00t::w00t::w00t::w00t::w00t:

kruoli 2022-03-29 07:26

[QUOTE=petrw1;602773]My next and last update will be when the project is 100% complete.
I am expecting that to be about mid April.[/QUOTE]

With my current procedure (hitting 7.8M with [I]really[/I] high bounds), I will take likely longer. What do you suggest:[LIST][*]Giving up my high bounds and prefer clearing the range?[*]Proceed as is?[*]Since my stage 1 is currently a lot more efficient: provide save files such that other can help with my high bounds?[/LIST]
Any input/suggestions is/are appreciated!


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