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Forum: Marin's Mersenne-aries 2020-12-05, 03:30
Replies: 11
Views: 41
Posted By ATH
Please do not do P-1 in Cat 0 (and Cat1 in my...

Please do not do P-1 in Cat 0 (and Cat1 in my opinion) since you will be blocking exponents from being assigned to DC and finished:
https://www.mersenne.org/thresholds/

P-1 should be done before...
Forum: Data 2020-12-03, 23:58
Replies: 3,356
Views: 226,247
Posted By ATH
Not many, not up to 120M at least, only 20 more. ...

Not many, not up to 120M at least, only 20 more.

115M: 4 0
116M: 2 0
117M: 2 0
118M: 0 0
119M: 5 0
120M: 7 0
Forum: Data 2020-12-03, 17:19
Replies: 3,356
Views: 226,247
Posted By ATH
I ran a script yesterday and today to count the...

I ran a script yesterday and today to count the number of exponents with certificates.

First column: Exponents verified by certificate only (1 PRP test and 1+ CERT (or 2 PRP tests with the same...
Forum: PrimeNet 2020-12-02, 23:05
Replies: 86
Views: 4,371
Posted By ATH
These P-1 assignments in Cat0+1 from October and...

These P-1 assignments in Cat0+1 from October and November are suspect I think, so many of them are not even started:...
Forum: Software 2020-11-29, 06:46
Replies: 477
Views: 39,967
Posted By ATH
fkbnsieve v1.3 (mtsieve 2.0.6) works, but seems...

fkbnsieve v1.3 (mtsieve 2.0.6) works, but seems very slow compared to when I used it before. The p=3 step is running very slowly even with c-ranges of a few million only removing a few thousands...
Forum: Software 2020-11-28, 21:52
Replies: 477
Views: 39,967
Posted By ATH
Ok, thanks. I did check for a new version...

Ok, thanks.

I did check for a new version before posting, but I checked in post #1 in this thread which links to:
https://mersenneforum.org/rogue/mtsieve.html

and that page still has link to...
Forum: Software 2020-11-28, 14:25
Replies: 477
Views: 39,967
Posted By ATH
fkbnsieve v1.2 (mtsieve 1.9.6) Just tried...

fkbnsieve v1.2 (mtsieve 1.9.6)

Just tried for fun different ranges, but I cannot get it to work. For example:
fkbnsieve.exe -c 1 -C 4000000000 -P 4000000000 -s "1*2^65+c"

It just stops after a...
Forum: Factoring 2020-11-23, 18:39
Replies: 9
Views: 450
Posted By ATH
I think it is a misunderstanding that comes from...

I think it is a misunderstanding that comes from P-1, where the method will find a factor p if p-1 is "smooth enough": Meaning that all of p-1 factors are below B1 with at most 1 factor allowed in...
Forum: y-cruncher 2020-11-20, 07:01
Replies: 40
Views: 17,857
Posted By ATH
He was probably refering to: Got 99 problems...

He was probably refering to:

Got 99 problems and a bitch ain't one - Ice-T 1993
Forum: mersenne.ca 2020-11-17, 07:29
Replies: 62
Views: 2,165
Posted By ATH
Here from Denmark it is still not working in any...

Here from Denmark it is still not working in any browser, and I did "ipconfig /flushdns". I assume 74.208.111.38 is the ip of the old server?
I assume DNS has not updated yet. What is the ip of the...
Forum: Marin's Mersenne-aries 2020-11-14, 02:49
Replies: 21
Views: 1,199
Posted By ATH
I'm going to "poach" 98631959, it was assigned on...

I'm going to "poach" 98631959, it was assigned on Nov 19th 2019 and it was Cat 4 back then: https://www.mersenne.org/thresholds/?dt=2019-11-19

So it has 360 days to be completed which ended...
Forum: Marin's Mersenne-aries 2020-11-13, 11:55
Replies: 817
Views: 42,623
Posted By ATH
Yes sorry, I forgot to remove them from the list,...

Yes sorry, I forgot to remove them from the list, done now including 3 more that I registered with primenet.
Forum: Math 2020-11-13, 01:16
Replies: 9
Views: 387
Posted By ATH
2. was proven by James Maynard:...

2. was proven by James Maynard: https://arxiv.org/abs/1604.01041

Yes, there are infinitely many primes without 9 or 7 or any single digit removed.

eeoBCS7IEqs
Forum: Soap Box 2020-11-10, 03:00
Replies: 584
Views: 30,083
Posted By ATH
https://www.irishtimes.com/culture/tv-radio-web/tr...

https://www.irishtimes.com/culture/tv-radio-web/trump-seriously-considered-taking-the-oath-of-office-on-his-bestseller-the-art-of-the-deal-1.4381770



I watched that BBC documentary recently. It...
Forum: Soap Box 2020-11-05, 11:05
Replies: 39
Views: 1,269
Posted By ATH
This is not something you want in a president: A...

This is not something you want in a president: A source of mocking laughter. But most of what he says is not funny but disturbing and cringe worthy.

Seen from Europe it is amazing and incredible...
Forum: Marin's Mersenne-aries 2020-11-05, 02:32
Replies: 27
Views: 1,253
Posted By ATH
I have 1 core on EC2 doing PRP-CF (v30.3b6) and 1...

I have 1 core on EC2 doing PRP-CF (v30.3b6) and 1 core doing PRP-CF-DC (v29.8b7).

Currently PRP-CF-DC is getting 9.23M exponent and PRP-CF is getting 10.62M.

I wish gpuowl could do these, then...
Forum: GMP-ECM 2020-11-05, 01:51
Replies: 28
Views: 1,471
Posted By ATH
There is actually a spot price for them it seems,...

There is actually a spot price for them it seems, currently at $9.8318 / hour in us-east-1 (N. Virginia) and us-west-2 (Oregon).
Forum: Marin's Mersenne-aries 2020-10-28, 14:04
Replies: 817
Views: 42,623
Posted By ATH
Remember 53971553 is done with shift 0 (gpuowl),...

Remember 53971553 is done with shift 0 (gpuowl), so you cannot TC with gpuowl.
Forum: News 2020-10-26, 11:02
Replies: 571
Views: 62,748
Posted By ATH
"Life is what happens while you are busy making...

"Life is what happens while you are busy making other plans."
Forum: GpuOwl 2020-10-21, 13:52
Replies: 2,613
Views: 175,859
Posted By ATH
It is no surprise really:...

It is no surprise really: https://en.wikipedia.org/wiki/GeForce_30_series

Gpuowl and CUDALucas uses "double precision", and 3090 has only 1/32 the double precision performance compared to single...
Forum: Information & Answers 2020-10-21, 09:49
Replies: 3
Views: 414
Posted By ATH
From the last prime press release: ...

From the last prime press release:



https://www.mersenne.org/primes/?press=M82589933
Forum: Marin's Mersenne-aries 2020-10-18, 11:44
Replies: 817
Views: 42,623
Posted By ATH
If you choose "double-check prime test" in the...

If you choose "double-check prime test" in the menu or add lines like Test=<exponent>,74,1 v30.3 will still run LL DC. The only way to run PRP tests in the LL DC range is reserving them as LL DC and...
Forum: Marin's Mersenne-aries 2020-10-18, 00:50
Replies: 817
Views: 42,623
Posted By ATH
Ready for a TC but will probably be handed out...

Ready for a TC but will probably be handed out randomly quickly: 53988203
Forum: Math 2020-10-17, 14:27
Replies: 14
Views: 608
Posted By ATH
87 Mersenne semi primes known so far. The...

87 Mersenne semi primes known so far.

The last 23 from M86371 to M10443557 are "semi probable primes" or "probable semi primes" (biggest factors are PRP).


https://www.mersenne.ca/prp.php

...
Forum: PrimeNet 2020-10-14, 08:15
Replies: 86
Views: 4,371
Posted By ATH
I'm not sure why you keep doing TF in those...

I'm not sure why you keep doing TF in those ranges when we keep making these threads complaining about those TF assignments? TF is not needed in Cat0+1+2 ranges.
Showing results 1 to 25 of 1000

 
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