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Forum: mersenne.ca 2021-02-27, 14:38
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
The page now allows you to specify zero factors,...

The page now allows you to specify zero factors, but it will be an exclusive request: if you select zero factors it will show only unfactored exponents, if you select 1+ factors it will only show...
Forum: mersenne.ca 2021-02-27, 12:44
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
There's already a page for that...

There's already a page for that (https://www.mersenne.org/manual_assignment/). :smile:
My page is specifically for the kind of assignments that are hard to find on PrimeNet: for exponents that have...
Forum: mersenne.ca 2021-02-26, 20:52
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
Sure, done.

Sure, done.
Forum: mersenne.ca 2021-02-26, 14:12
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
It's a relatively new addition, requested by...

It's a relatively new addition, requested by Viliam about 1.5 months ago. It's listed in the site menu but I haven't advertised it anywhere (but you're free to let others who do similar work know...
Forum: mersenne.ca 2021-02-26, 12:40
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
If you're getting your work from the Factoring...

If you're getting your work from the Factoring Beyond First Factor (https://www.mersenne.ca/morefactors.php) page then it's already available in that format (both Pminus1 and Pfactor versions).
Forum: mersenne.ca 2021-02-26, 05:13
Replies: 7
Views: 221
Posted By James Heinrich
Thank you for pointing out this oversight on my...

Thank you for pointing out this oversight on my part. The exponent pages have now been corrected to show an entry in the Known Prime Factors section when the last cofactor is PRP (or proven-prime)....
Forum: Lone Mersenne Hunters 2021-02-25, 15:41
Replies: 1,797
Views: 186,655
Posted By James Heinrich
I added maybe 3 months ago.

I added maybe 3 months ago.
Forum: Data 2021-02-24, 14:46
Replies: 549
Views: 73,993
Posted By James Heinrich
I have updated my PRP list...

I have updated my PRP list (https://www.mersenne.ca/prp.php?show=2&min_exponent=82000&max_exponent=83000#M82939), thanks.
Forum: Lone Mersenne Hunters 2021-02-18, 17:00
Replies: 1,797
Views: 186,655
Posted By James Heinrich
Not my factor, but has a 98-bit prime k.

Not my factor, but has a 98-bit prime k.
Forum: mersenne.ca 2021-02-16, 04:12
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
The P-1 probability code was re-designed by Mihai...

The P-1 probability code was re-designed by Mihai Preda in 2020-Aug.
His original code was, at the time, posted on https://github.com/preda/gpuowl/tree/master/pm1/ but I no longer see the file there...
Forum: mersenne.ca 2021-02-11, 20:33
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
Thanks. My query was broken in two different ways...

Thanks. My query was broken in two different ways :redface:
Now it returns more sane valuesSELECT `exponent`, `timestamp_found` FROM `known_factors_0` WHERE (`exponent` IN (SELECT `exponent` FROM...
Forum: mersenne.ca 2021-02-11, 17:15
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
It's possible my query is faulty, but I was not...

It's possible my query is faulty, but I was not able to find any exponents for which TJAOI has the only known factor.
SELECT *, COUNT(*) AS `howmany` FROM `prime_numbers_0` WHERE (`exponent` IN (...
Forum: mersenne.ca 2021-02-10, 15:44
Replies: 528
Sticky: mersenne.ca
Views: 56,461
Posted By James Heinrich
It's possible, but it's not a trivial query.

It's possible, but it's not a trivial query.
Forum: Software 2021-02-07, 12:28
Replies: 108
Sticky: Prime95 v30.4
Views: 8,393
Posted By James Heinrich
Yes. Your numbers are proportionately the same as...

Yes. Your numbers are proportionately the same as my testing, it used to take me 10 mins to resume stage2 and now it takes 1. The stage2 implementation is quite different...
Forum: GPU Computing 2021-02-07, 12:17
Replies: 3,464
Views: 348,209
Posted By James Heinrich
Not yet. The developer (TheJudger, aka Oliver)...

Not yet. The developer (TheJudger, aka Oliver) has been working on v0.22 for a long time now, but as yet there is no public release.
Forum: Software 2021-02-06, 23:19
Replies: 108
Sticky: Prime95 v30.4
Views: 8,393
Posted By James Heinrich
That seems about right. v30.4 has new...

That seems about right. v30.4 has new optimizations that allow it to select higher bounds for P-1. So it selected a higher B1 and a higher B2 than before. The partially-completed stage2 has to be...
Forum: Lone Mersenne Hunters 2021-02-05, 17:00
Replies: 1,797
Views: 186,655
Posted By James Heinrich
The submitted result line was: UID: gLauss,...

The submitted result line was:
UID: gLauss, M70553939 has a factor: 397468376254043223116452263596173351 (P-1, B1=645000, B2=13222500, E=12), AID: <removed>
Forum: GPU Computing 2021-02-01, 16:07
Replies: 11
Views: 5,908
Posted By James Heinrich
I assume he means VGA as in 640x480 display...

I assume he means VGA as in 640x480 display resolution (https://en.wikipedia.org/wiki/Video_Graphics_Array#Standard_graphics_modes) that Windows uses for unrecognized display hardware rather than the...
Forum: Software 2021-01-31, 18:04
Replies: 108
Sticky: Prime95 v30.4
Views: 8,393
Posted By James Heinrich
You can increase DaysOfWork in prime.txt (or the...

You can increase DaysOfWork in prime.txt (or the equivalent GUI setting).

But looking at the broader picture, it might not be a bad idea in a situation like this, if Prime95 can't find anything...
Forum: Data 2021-01-30, 02:58
Replies: 347
Views: 48,301
Posted By James Heinrich
There are 350 exponents...

There are 350 exponents (https://www.mersenne.ca/prp.php?show=1) that are fully-factored (where the last factor is either certainly or probably prime).
All the other exponents (almost?) certainly...
Forum: Lone Mersenne Hunters 2021-01-27, 16:46
Replies: 1,797
Views: 186,655
Posted By James Heinrich
Does this mean one could fake the residue for a...

Does this mean one could fake the residue for a PRP test with a different number of cofactors (trivial, it's always the same), but one would not be able to (so easily) fake the proof?
Forum: PrimeNet 2021-01-25, 02:06
Replies: 2,108
Views: 190,616
Posted By James Heinrich
Well explained, thank you. I'm sure there's many...

Well explained, thank you. I'm sure there's many users here (myself especially included) who run this stuff for some fun without really understanding the math behind it, so simple explanations like...
Forum: PrimeNet 2021-01-24, 17:46
Replies: 2,108
Views: 190,616
Posted By James Heinrich
Yes, it's possible since it's hard to...

Yes, it's possible since it's hard to authenticate whether a submitted result is a new set of results or the same result submitted again.
It will affect the number of future curves run at the...
Forum: Lone Mersenne Hunters 2021-01-21, 20:28
Replies: 1,797
Views: 186,655
Posted By James Heinrich
It's #385...

It's #385 (https://www.mersenne.ca/userfactors/ecm/1/bits#M83621) on the biggest ECM factors (edit: of Mersenne numbers) list. :smile:
Forum: PrimeNet 2021-01-19, 04:40
Replies: 2,108
Views: 190,616
Posted By James Heinrich
Not me, just George.

Not me, just George.
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