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Search: Posts Made By: Stargate38
Forum: YAFU 2022-01-11, 22:18
Replies: 298
Views: 28,594
Posted By Stargate38
Exclamation Strange SIQS-related crash. What's causing it?

Why does this number crash YAFU 2.06?

72201646132199873461502083685639136119064441143576829474934045444051626750298129Here's the output to cmd:

C:\Numbers\yafu-master>yafu...
Forum: Miscellaneous Math 2021-12-30, 22:10
Replies: 529
Views: 51,125
Posted By Stargate38
So what would it take for DrKirby to return to...

So what would it take for DrKirby to return to GIMPS? Why did he leave?
Forum: YAFU 2021-12-20, 18:31
Replies: 2
Views: 519
Posted By Stargate38
YAFU only comes in 32-bit and 64-bit versions (I...

YAFU only comes in 32-bit and 64-bit versions (I think YAFU 2.x is 64-bit only). I'm not sure if bsqurared is planning on making an ARM version or not, but there might be a way to compile it from...
Forum: YAFU 2021-11-24, 18:22
Replies: 298
Views: 28,594
Posted By Stargate38
Strange error (0xc0000005) when using Studio Kamada poly

When I try to factor 78888_142 (from Studio Kamada's near-repdigit tables), I get this crash:

Faulting application name: yafu.exe, version: 0.0.0.0, time stamp: 0x611c3335
Faulting module name:...
Forum: Miscellaneous Math 2021-11-16, 16:37
Replies: 5
Views: 804
Posted By Stargate38
Unhappy Someone please answer this...

Sorry for bumping a 9 year old thread, but I really need to know where to get FastECPP.
Forum: Lounge 2021-11-15, 16:21
Replies: 1,841
RIP
Views: 195,895
Posted By Stargate38
No he shouldn't. It wasn't the father's fault. It...

No he shouldn't. It wasn't the father's fault. It was whoever trampled him.
Forum: Aliquot Sequences 2021-10-30, 17:09
Replies: 7
Views: 648
Posted By Stargate38
Which sequences did they run? Any chance of...

Which sequences did they run? Any chance of getting a txt file with all the sequence starters in it?
Forum: MattcAnderson 2021-10-08, 20:42
Replies: 3
Views: 224
Posted By Stargate38
It's half of 42, the answer to the Ultimate...

It's half of 42, the answer to the Ultimate Question of Life, the Universe, and Everything (from The Hitchhiker's Guide To The Galaxy). Also, it's the number of 0s in the decimal expansion of 1...
Forum: Lone Mersenne Hunters 2021-09-27, 22:23
Replies: 2,033
Views: 281,416
Posted By Stargate38
M1960050767 has a factor: 2681764646543406705689...

M1960050767 has a factor: 2681764646543406705689 [TF:68:72:mfaktc 0.21 barrett76_mul32_gs]

k=2^2*11^2*349*4049977
Forum: Puzzles 2021-09-27, 16:17
Replies: 2
Views: 705
Posted By Stargate38
In terms of smaller numbers, there's...

In terms of smaller numbers, there's M1347826279*M1552958761 (I TF'd both of them to make sure there were no small factors <10^21), but there's also some larger examples, such as...
Forum: YAFU 2021-09-24, 21:50
Replies: 298
Views: 28,594
Posted By Stargate38
I've had that happen too. It must be a bug in...

I've had that happen too. It must be a bug in YAFU, as it doesn't happen in other command line software.
Forum: YAFU 2021-09-02, 18:12
Replies: 298
Views: 28,594
Posted By Stargate38
I'm using the most recent YAFU 2.x executable...

I'm using the most recent YAFU 2.x executable (from BSquared's GitHub), with internal poly selection. Brian Gladman's solution didn't work completely (still getting "error (line 1128):...
Forum: YAFU 2021-09-02, 15:59
Replies: 298
Views: 28,594
Posted By Stargate38
I can't get CUDA Poly selection to work. ...

I can't get CUDA Poly selection to work.

searching leading coefficients from 8942 to 9192
using GPU 0 (NVIDIA GeForce GTX 1650)
selected card has CUDA arch 7.5
using GPU 0 (NVIDIA GeForce GTX...
Forum: Factoring 2021-08-29, 16:19
Replies: 18
Views: 2,366
Posted By Stargate38
C117 -8/9 3: P33*P38*P47 (Line 41). ECM details...

C117 -8/9 3: P33*P38*P47 (Line 41). ECM details posted to DB.
Forum: Factoring 2021-08-18, 21:15
Replies: 459
Views: 35,990
Posted By Stargate38
Any chance you could send me a PDF of that? I...

Any chance you could send me a PDF of that? I tried the "Download PDF" button, but it said it wasn't downloadable. I want a local copy in case the uploaded copy goes down.
Forum: MattcAnderson 2021-08-15, 17:30
Replies: 4
Views: 435
Posted By Stargate38
It only took me 3.3110 seconds with YAFU 2.03 to...

It only took me 3.3110 seconds with YAFU 2.03 to find the P22. Found it on the 8th B1=50k curve (t20.59).
Forum: Miscellaneous Math 2021-07-18, 17:07
Replies: 7
Views: 814
Posted By Stargate38
It is. Pari/gp: ...

It is. Pari/gp:

Mod(2,3945487217704212192966311)^28326058902171529
%2 = Mod(1, 3945487217704212192966311)
Forum: FactorDB 2021-06-28, 17:36
Replies: 15
Views: 4,744
Posted By Stargate38
I hope that last paragraph was sarcastic....

I hope that last paragraph was sarcastic. Besides, we don't even know if the Mersenne Forum (or FactorDB, for that matter) will still be around in 2041. Anything - good or bad - could happen between...
Forum: FactorDB 2021-06-12, 14:42
Replies: 15
Views: 4,744
Posted By Stargate38
Actually, cmd put a bunch of numbers on there,...

Actually, cmd put a bunch of numbers on there, too. I've found quite a few from those years. Also, some of the users that have been banned indefinitely might be taking revenge as well (i.e. Samuel),...
Forum: Factoring 2021-06-10, 22:46
Replies: 459
Views: 35,990
Posted By Stargate38
Is the C93 from line 99 booked, or not? Just...

Is the C93 from line 99 booked, or not? Just curious. I ECMed it to t31 (no factors), but I didn't want to run SIQS on it if someone else had it reserved.

EDIT: I went ahead and did it, since it...
Forum: FactorDB 2021-06-10, 17:42
Replies: 19
Views: 10,852
Posted By Stargate38
I use those "Greatest Prime Factor" sequences...

I use those "Greatest Prime Factor" sequences (mostly GPF^3+1 and GPF^3-1, but I've also run the q^2-1 sequences of all factored RSA numbers) to see if they ever end in a cycle, so we can't get rid...
Forum: FactorDB 2021-06-10, 17:30
Replies: 15
Views: 4,744
Posted By Stargate38
You should only add them as you factor them. In...

You should only add them as you factor them. In other words, don't add a number unless you want to factor it, or you want someone else to factor it, if there's anyone willing to do so. Numbers <10^69...
Forum: Factoring 2021-06-07, 22:06
Replies: 459
Views: 35,990
Posted By Stargate38
C122 from line 105 factored:...

C122 from line 105 factored: http://www.factordb.com/index.php?id=1100000002598678181

Reported the factors to the larger number and didn't find any GCD collisions.
Forum: Factoring 2021-06-06, 17:05
Replies: 459
Views: 35,990
Posted By Stargate38
ECM has about 46 minutes left until t40, and then...

ECM has about 46 minutes left until t40, and then I'll run GNFS on the C122.
Forum: Factoring 2021-06-06, 16:31
Replies: 459
Views: 35,990
Posted By Stargate38
Reserving C122 from line 105 (9, 8) for ECM and...

Reserving C122 from line 105 (9, 8) for ECM and NFS. What's the SNFS difficulty for that one?
Showing results 1 to 25 of 680

 
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