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Forum: Factoring 2020-11-23, 18:39
Replies: 9
Views: 369
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: 33
Views: 16,541
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: 52
Views: 1,639
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: 20
Views: 1,030
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: 812
Views: 39,926
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: 347
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: 538
Views: 27,442
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: 1,213
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: 24
Views: 987
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: 1,380
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: 812
Views: 39,926
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: 61,752
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: 2,607
Views: 171,372
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: 318
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: 812
Views: 39,926
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: 812
Views: 39,926
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: 548
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: 78
Views: 3,551
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.
Forum: PrimeNet 2020-10-13, 21:16
Replies: 78
Views: 3,551
Posted By ATH
Server should block TF in Cat 0+1 and probably...

Server should block TF in Cat 0+1 and probably Cat 2 (and maybe Cat 3?) and it should give no AID on the TF assignments either from manual assignment or through Prime95/mprime. Particularly since all...
Forum: PrimeNet 2020-10-13, 15:13
Replies: 78
Views: 3,551
Posted By ATH
I doubt there is a limit set on all exponents...

I doubt there is a limit set on all exponents that is up to date with the GPU factoring limits.
There was back in the day when only Prime95/mprime was used for factoring.

Plus it would block...
Forum: PrimeNet 2020-10-12, 20:46
Replies: 78
Views: 3,551
Posted By ATH
Would it be hard to make the server deny any TF...

Would it be hard to make the server deny any TF assignments in like 53M-59M and 93M-108M ?
Forum: PrimeNet 2020-10-11, 00:25
Replies: 2,037
Views: 160,236
Posted By ATH
Amazing there are 10 v4 clients still. Version5...

Amazing there are 10 v4 clients still. Version5 started in 2008 around October if I remember correctly, so 12 years exactly.

Here are the stats by operating system and by version. Version 30.x...
Forum: Software 2020-10-10, 11:17
Replies: 476
Sticky: Prime95 v30.3
Views: 35,640
Posted By ATH
If you get a mismatch in LL DC and you want to...

If you get a mismatch in LL DC and you want to know if yours is good, you can always ask if someone wants to do a triple check right away in this thread:...
Forum: PrimeNet 2020-10-09, 21:02
Replies: 2,037
Views: 160,236
Posted By ATH
Ehh now Curtisc has approximately the same...

Ehh now Curtisc has approximately the same assignments?

https://www.mersenne.org/assignments/?exp_lo=52000000&exp_hi=54400000&execm=1&exdchk=1&exfirst=1&exp1=1
Forum: Miscellaneous Math 2020-10-07, 18:02
Replies: 7
Views: 455
Posted By ATH
You are both correct, the extra 14 values are...

You are both correct, the extra 14 values are just the trivial composites mod 3 and mod 5. Did not really think about that, I just always used the 16 values (mod 120), but I could have also used +/-...
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