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Search: Posts Made By: Jay
Forum: GMP-ECM 2008-04-17, 14:32
Replies: 4
Views: 1,454
Posted By Jay
I've no idea what type of system you have, other...

I've no idea what type of system you have, other than it being a 64-bit box with a 64-bit Windows OS.

However I thought I would share the results of my test. Using 2^4096+1 with some factors...
Forum: Math 2008-03-21, 15:13
Replies: 67
Views: 7,616
Posted By Jay
There is an innate human desire to believe the...

There is an innate human desire to believe the worst. This is why conspiracy theories abound.

With zero knowledge of facts but given an unfounded rumor that a conspiracy exists, many people will...
Forum: Math 2008-03-18, 04:52
Replies: 67
Views: 7,616
Posted By Jay
Dividing by a non-factor will result in a...

Dividing by a non-factor will result in a non-zero remainder. Dividing by 789 will give you a remainder of 656. Which proves that 789 is not a factor (divisor) of 2^3355584+1. However dividing by 769...
Forum: Math 2008-03-18, 03:51
Replies: 67
Views: 7,616
Posted By Jay
If you're attempting to triple check the factors...

If you're attempting to triple check the factors I found, you may want to use the correct factors. I said

2^3355584+1: 769*274177*961934081
Forum: Math 2008-03-18, 02:35
Replies: 67
Views: 7,616
Posted By Jay
Not certain which you want factors for, but I'll...

Not certain which you want factors for, but I'll assume you mean the second.

The following factors were found via ECM using Prime95.

2^3355584+1: 769*274177*961934081

Using GMP I then...
Forum: Math 2008-03-17, 03:02
Replies: 67
Views: 7,616
Posted By Jay
Aren't conspiracy theories so much fun? :smile:

Aren't conspiracy theories so much fun? :smile:
Forum: GMP-ECM 2008-02-10, 17:25
Replies: 3
Views: 1,003
Posted By Jay
(more sarcasm) Well now, it seems that...

(more sarcasm)

Well now, it seems that you're incorrect. Instead of finding the factor on the last ECM curve, it was found only 1/9th of the way into the search.

Recommended curve count for...
Forum: Information & Answers 2008-02-10, 15:27
Replies: 9
Views: 1,134
Posted By Jay
Cables and connectors were fine. The problem was...

Cables and connectors were fine. The problem was the antique disk drives bumping up against the modern motherboard.

And yes, we did try different cables after discovering the root of the problem....
Forum: Information & Answers 2008-02-10, 01:05
Replies: 9
Views: 1,134
Posted By Jay
To show how bloody difficult it is to find a...

To show how bloody difficult it is to find a solution for some SUMOUT problems, allow me to tell you about how I solved it on one of my systems.

I have an AMD 3800+ (dual core) system running at...
Forum: Factoring 2008-02-02, 19:06
Replies: 15
Views: 1,030
Posted By Jay
If you are able to run both client/server on a...

If you are able to run both client/server on a single box and have it work,

If you use the local IP (192.168.0.2) on a second client and it doesn't work,

If you can ping the server from the...
Forum: Hardware 2008-01-28, 16:20
Replies: 5
Views: 771
Posted By Jay
The last 3 boxes I bought were all "slow" when I...

The last 3 boxes I bought were all "slow" when I started using them. All 3 had the same type of problems and were all BIOS related.

1. Is thermal clocking turned on? If this is an option, you'll...
Forum: Puzzles 2008-01-28, 16:12
Replies: 54
Views: 3,476
Posted By Jay
Reubin Fine did an excellent book/study on End...

Reubin Fine did an excellent book/study on End Game Tactics. He covers the lone king+pawn as well as numerous other common endings.

My advice is to pick up a copy of his book.
Forum: Factoring 2008-01-25, 03:05
Replies: 15
Views: 1,591
Posted By Jay
http://www.prothsearch.net/fermat.html That...

http://www.prothsearch.net/fermat.html

That should answer most of your questions.
Forum: Factoring 2008-01-24, 01:36
Replies: 15
Views: 1,591
Posted By Jay
FermatSearch had a Yahoo group for awhile. But...

FermatSearch had a Yahoo group for awhile. But nobody was interested and it died a silent death.

There's not many of us that do Fermat factoring. And of the ones that do, we tend to know what...
Forum: GMP-ECM 2008-01-23, 03:45
Replies: 21
Views: 1,914
Posted By Jay
Using B1=1e6 without "-no-ntt" and not specifying...

Using B1=1e6 without "-no-ntt" and not specifying the polynomial, the -v option gives 904 curves as the 35-digit optimal curve count.

Using B1=1e6 with "-no-ntt" and "-power 1", the -v option...
Forum: GMP-ECM 2008-01-23, 01:14
Replies: 21
Views: 1,914
Posted By Jay
Hey, no problem as far as I'm concerned. Given my...

Hey, no problem as far as I'm concerned. Given my 35 years of engineering software development, I'm probably qualified to do my own ECR's. :smile:

As to putting my changes into the main dev-tree,...
Forum: Factoring 2008-01-23, 00:37
Replies: 7
Views: 1,342
Posted By Jay
There has been a factMsieve.pl Perl script posted...

There has been a factMsieve.pl Perl script posted which allows the (highly) automated usage of MSieve alongside the Lattice sievers. It replaces the factLat.pl script.

You may want to check the...
Forum: GMP-ECM 2008-01-22, 23:12
Replies: 21
Views: 1,914
Posted By Jay
A most interesting couple of weeks once I got...

A most interesting couple of weeks once I got GmpEcm and GWnum married.

I got to thinking how I could use EcmNet to allocate work and track curve counts. So I setup an .ini file with several...
Forum: Science & Technology 2008-01-11, 21:25
Replies: 1,589
Views: 115,969
Posted By Jay
One thing I've never understood about the...

One thing I've never understood about the "greenhouse gas" debates is the complete lack of discussion regarding nature versus mankind.

Take a look at the following URL and consider what it shows....
Forum: GMP-ECM 2008-01-11, 15:49
Replies: 21
Views: 1,914
Posted By Jay
Oh, I'm satisfied at the moment. Now that I...

Oh, I'm satisfied at the moment. Now that I managed to figure out how to get GmpEcm+GWnum to build under MingGW, I'm tearing up the CPU cycles.

I've got a small EcmNet setup with larger base2...
Forum: Cunningham Tables 2008-01-07, 15:47
Replies: 41
Views: 8,322
Posted By Jay
You mean some people don't use Billy Boy's Window...

You mean some people don't use Billy Boy's Window machines? :huh:

I tried looking back through the posts to see what he was running under, but didn't see any mention. So thought I'd mention it on...
Forum: Cunningham Tables 2008-01-07, 03:28
Replies: 41
Views: 8,322
Posted By Jay
memory use: 1405.0 MB That's mighty close...

memory use: 1405.0 MB

That's mighty close to 2gb. By the time you add in the size of the binary and misc variables, I'll bet you're bumping up against the limit.
Forum: GMP-ECM 2008-01-06, 22:52
Replies: 21
Views: 1,914
Posted By Jay
With a lot of tinkering and trial/error, I've...

With a lot of tinkering and trial/error, I've managed to get GmpEcm to build with GWnum under MinGW. It even reports (-v) that it is using GWnum.

gwnum_ecmStage1

It also appears to be able to...
Forum: Hardware 2008-01-05, 18:56
Replies: 6
Views: 642
Posted By Jay
Could be due to any number of things. 1....

Could be due to any number of things.

1. Might have a buildup of dust creating a thermal blanket. Most BIOS's are set to use thermal protection. If the heat goes up too far, then the CPU is...
Forum: Msieve 2008-01-03, 23:01
Replies: 465
Views: 53,343
Posted By Jay
Thank you for the information. It appears...

Thank you for the information.

It appears that I need to be patient awhile longer until things are a bit more integrated. While the pieces appear to be in place to use a mix of tools, it is still...
Showing results 1 to 25 of 34

 
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