mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 673
Search took 0.09 seconds.
Search: Posts Made By: Stargate38
Forum: MattcAnderson 2021-10-08, 20:42
Replies: 3
Views: 116
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: 1,962
Views: 264,357
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: 498
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: 291
Views: 20,860
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: 291
Views: 20,860
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: 291
Views: 20,860
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: 15
Views: 1,359
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: 29,651
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: 359
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: 679
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: 14
Views: 2,583
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: 14
Views: 2,583
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: 29,651
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: 10,122
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: 14
Views: 2,583
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: 29,651
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: 29,651
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: 29,651
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?
Forum: Factoring 2021-06-06, 15:33
Replies: 459
Views: 29,651
Posted By Stargate38
Can someone please post the full list of numbers,...

Can someone please post the full list of numbers, along with reservations? I would like to try one of the smaller ones (SNFS difficulty <140), if there are any unreserved.
Forum: Aliquot Sequences 2021-06-03, 17:20
Replies: 6
Views: 1,108
Posted By Stargate38
Maybe a later term will be the cycle's start. We...

Maybe a later term will be the cycle's start. We don't know if that'll happen yet, but the later terms aren't untouchable. Other sequences (i.e. 10000018198 and 31657014970784) merge with 276.
Forum: FactorDB 2021-06-01, 23:20
Replies: 164
Views: 51,270
Posted By Stargate38
I updated to Windows 10 2004, and now Primo won't...

I updated to Windows 10 2004, and now Primo won't run. I get "Gtk-WARNING **: (IP Address): cannot open display:". Anyone know how to fix that?

EDIT: I tried something suggested on SuperUser, but...
Forum: YAFU 2021-05-25, 20:09
Replies: 291
Views: 20,860
Posted By Stargate38
I've run partial factorizations of larger numbers...

I've run partial factorizations of larger numbers (up to 900 digits; sometimes Yafu will crash on numbers >1000 digits, but that was before I upgraded to 2.x), and sometimes I'll get a full...
Forum: YAFU 2021-05-21, 18:16
Replies: 291
Views: 20,860
Posted By Stargate38
Exclamation Super slow SIQS job

Version 2.02. Is this a bug, or is this number just extra hard to SIQS?

starting SIQS on c102:...
Forum: FactorDB 2021-05-17, 20:51
Replies: 8
Views: 1,257
Posted By Stargate38
Maybe it should be that such status updates can...

Maybe it should be that such status updates can only be posted to numbers that already exist in the DB, and are of a special form (i.e. a*b^c+/-d), or are a factor of such a number ((a*b^c+/-d)/e).
Forum: Lounge 2021-05-14, 16:29
Replies: 22
Views: 1,679
Posted By Stargate38
If interpreted as either Base-25 or Base-30, it's...

If interpreted as either Base-25 or Base-30, it's prime:

M2133277 (Base-25) = 134776610807 (Base-10)
M2133277 (Base-30) = 482624813017 (Base-10)

Obviously this goes on to infinity, so I won't...
Showing results 1 to 25 of 673

 
All times are UTC. The time now is 09:25.


Sat Oct 23 09:25:18 UTC 2021 up 92 days, 3:54, 0 users, load averages: 1.29, 1.36, 1.33

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.