mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 1000
Search took 0.27 seconds.
Search: Posts Made By: Dr Sardonicus
Forum: GpuOwl 2021-09-28, 00:45
Replies: 63
Views: 12,690
Posted By Dr Sardonicus
From my reading, I would guess it's because (my...

From my reading, I would guess it's because (my emphasis)
Forum: Lounge 2021-09-27, 23:26
Replies: 1,479
Views: 150,792
Posted By Dr Sardonicus
Police Officer Joseph J. Kurer...

Police Officer Joseph J. Kurer (https://www.odmp.org/officer/25534-police-officer-joseph-j-kurer)
Forum: Puzzles 2021-09-27, 16:56
Replies: 2
Views: 111
Posted By Dr Sardonicus
D'oh! Of course! 233 is 8589934592, or almost...

D'oh! Of course! 233 is 8589934592, or almost 8.6 billion! There are plenty of Mp whose character (prime or composite) is unknown, with p < 233. This is likely to remain true for some time to come.
Forum: Science & Technology 2021-09-27, 16:30
Replies: 506
Views: 85,324
Posted By Dr Sardonicus
Strong quake hits Greek island of Crete; 1 dead,...

Strong quake hits Greek island of Crete; 1 dead, 20 injured (https://apnews.com/article/europe-greece-athens-earthquakes-crete-6627c212e4f69081ce67969574b24f84)
Forum: Puzzles 2021-09-27, 14:26
Replies: 2
Views: 111
Posted By Dr Sardonicus
Proper factorization known, no prime factors known

This is merely recreational mathematics. If this more properly fits in an area other than "Puzzles," feel free to move it there.

My "jumping off place" is the fact that (currently, AFAIK) the...
Forum: Science & Technology 2021-09-27, 04:20
Replies: 256
Views: 20,537
Posted By Dr Sardonicus
There was an NPR interview on the 17th of...

There was an NPR interview on the 17th of September that really got my attention: After Examining The Data, An Infectious Disease Expert Weighs In On Booster Shots...
Forum: And now for something completely different 2021-09-27, 03:23
Replies: 10
Views: 591
Posted By Dr Sardonicus
That is most probably false, but if true, then...

That is most probably false, but if true, then that will be bad news... :sad:
(i mean, for us, like riesel, sierpinski, crus, gimps, etc, players)[/QUOTE]I have no reason to doubt there are...
Forum: Lounge 2021-09-27, 02:02
Replies: 1,479
Views: 150,792
Posted By Dr Sardonicus
Exactly. In my (admittedly limited) experience,...

Exactly. In my (admittedly limited) experience, the only glass doors into the ER waiting room I've seen have been from outside - not from another part of the hospital. And when you come in that...
Forum: Science & Technology 2021-09-26, 22:26
Replies: 256
Views: 20,537
Posted By Dr Sardonicus
I wonder of the person you asked heard...

I wonder of the person you asked heard "recommended" when you said "required." I imagine many doctors would recommend a booster for vaccinated patients who are immunocompromised and possibly those...
Forum: Lounge 2021-09-26, 15:12
Replies: 81
Views: 16,628
Posted By Dr Sardonicus
It's been a sparse year for butterflies where I...

It's been a sparse year for butterflies where I live. On the bright side, there have been plenty of Monarch butterflies, perhaps in part due to my plantings of the caterpillar host plants Common...
Forum: And now for something completely different 2021-09-26, 14:02
Replies: 25
Views: 7,523
Posted By Dr Sardonicus
So, A3 is the top, as I originally guessed and...

So, A3 is the top, as I originally guessed and you confirmed. Obviously, I don't know which end is up. :big grin:

If the common difference is d, the AP-3 is A3 - 2d, A3 - d, A3.

I assume A4...
Forum: Lounge 2021-09-26, 13:27
Replies: 1,479
Views: 150,792
Posted By Dr Sardonicus
Crisis? What crisis?

When the Great State of Alaska joined the Great State of Idaho in enacting crisis standards of care, a Queen of Denial went into action: Must Read Alaska publishes false claims regarding Alaska...
Forum: Lounge 2021-09-26, 01:55
Replies: 1,701
Views: 135,535
Posted By Dr Sardonicus
Googling turned up some neat images of the storm,...

Googling turned up some neat images of the storm, and a number of news stories. This NPR story (https://www.npr.org/2021/09/25/1040692676/sam-is-now-a-major-hurricane-but-isnt-likely-to-hit-land)...
Forum: And now for something completely different 2021-09-26, 01:25
Replies: 25
Views: 7,523
Posted By Dr Sardonicus
With a = 33*2^2939064 - 5606879602425*2^1290000 -...

With a = 33*2^2939064 - 5606879602425*2^1290000 - 1 and d = 33*2^2939063 - 5606879602425*2^1290000, a == 2 (mod 5) and d == 4 (mod 5), so a + 2*d is divisible by 5. Thus a, a + d, a + 2d is not a...
Forum: And now for something completely different 2021-09-25, 16:48
Replies: 25
Views: 7,523
Posted By Dr Sardonicus
Actually, you may have done better than you...

Actually, you may have done better than you realize. If

a = 33*2^2939064 - 5606879602425*2^1290000 - 1 and d = 33*2^2939063 - 5606879602425*2^1290000, then

a - d = 33*2^2939063 - 1. Just out...
Forum: Tales From the Crypt(o) 2021-09-25, 13:30
Replies: 285
Views: 90,261
Posted By Dr Sardonicus
And it's time to play "LET'S MAKE A DEAL!"

[/quote]Canadians released after Huawei CFO resolves US charges (https://apnews.com/article/technology-business-new-york-courts-brooklyn-dc957e575f896375d14c08a456af14ea)
Forum: Information & Answers 2021-09-25, 03:05
Replies: 58
Views: 7,345
Posted By Dr Sardonicus
You're free to waste your own time and money...

You're free to waste your own time and money chasing after your ever-changing will-o'-the-wisps. Don't expect others to waste theirs.
Forum: And now for something completely different 2021-09-24, 19:30
Replies: 25
Views: 7,523
Posted By Dr Sardonicus
Quite understandable! Perhaps you are in need of...

Quite understandable! Perhaps you are in need of sedation...

:beer2: :beer2: :beer2: :beer2: :beer2: :beer2: :beer2: :beer2:
Forum: And now for something completely different 2021-09-24, 16:43
Replies: 25
Views: 7,523
Posted By Dr Sardonicus
Congratulations, looks like you've found a huge...

Congratulations, looks like you've found a huge 3-term AP of primes!

I'm a bit confused by your usage "new top." [Chekov voice]The top of what?[/Chekov voice]

I'm inferring the meaning...
Forum: Information & Answers 2021-09-24, 14:10
Replies: 58
Views: 7,345
Posted By Dr Sardonicus
"Certified semi-prime?" What the heck is that...

"Certified semi-prime?" What the heck is that supposed to mean? AFAIK the only way to "certify" a number N >= M1277 known to be composite, is a P2, is to factor it.

In theory, it is possible, if...
Forum: Soap Box 2021-09-24, 12:45
Replies: 128
Views: 14,715
Posted By Dr Sardonicus
IMO it would be much more "convenient" for people...

IMO it would be much more "convenient" for people who want to grow crops such as rice or cotton; or to have green lawns, lush gardens, and swimming pools, to find somewhere to live other than in the...
Forum: Soap Box 2021-09-24, 00:36
Replies: 128
Views: 14,715
Posted By Dr Sardonicus
There is a series of web pages about the Aral Sea...

There is a series of web pages about the Aral Sea starting here (http://www.columbia.edu/~tmt2120/introduction.htm).
Forum: MattcAnderson 2021-09-23, 15:46
Replies: 8
Views: 551
Posted By Dr Sardonicus
according to the Bateman-Horn conjecture, the...

according to the Bateman-Horn conjecture, the number of n less than or equal to X for which n2 + n + 41 is prime is asymptotically c*Li(X) for a positive constant c; this is asymptotically c*X/ln(X)....
Forum: Soap Box 2021-09-23, 15:17
Replies: 128
Views: 14,715
Posted By Dr Sardonicus
I find the sentence to be very awkward. I...

I find the sentence to be very awkward. I imagine it means something like, "If human population numbers get high enough, there won't be enough water to go around."

This is quite unlikely to be...
Forum: Science & Technology 2021-09-23, 12:49
Replies: 80
Views: 17,069
Posted By Dr Sardonicus
By name, at least. Sounds like at least one of...

By name, at least. Sounds like at least one of them may no longer be recognizable by sight :sad:
Showing results 1 to 25 of 1000

 
All times are UTC. The time now is 13:20.


Tue Sep 28 13:20:59 UTC 2021 up 67 days, 7:49, 3 users, load averages: 1.73, 1.42, 1.47

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.