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Search: Posts Made By: Housemouse
Forum: Lounge 2008-12-08, 18:49
Replies: 414
Views: 16,337
Posted By Housemouse
Smile permutable prime

1111111111111111111 is a permutable prime
Forum: News 2008-09-19, 16:05
Replies: 901
Views: 74,419
Posted By Housemouse
Smile supercomputer

I define a "supercomputer" as any computer that makes the semiannual list of the top 500.
Forum: News 2008-09-16, 19:44
Replies: 901
Views: 74,419
Posted By Housemouse
Cool Jeff Sounds like Chicago

Chicago record high 44C, record low -33C.
Forum: News 2008-09-14, 16:41
Replies: 901
Views: 74,419
Posted By Housemouse
Cool 100,000 ?

The 100,000 was just borrowed.
Forum: Lounge 2008-09-11, 20:38
Replies: 70
Views: 2,438
Posted By Housemouse
Smile Right to intelectual diligence

RDS You have obviously never taught at the junior college level.

There is no limit to how dumb a question can be.

But I never berate a student, like you do here.
Forum: Math 2008-09-11, 12:31
Replies: 61
Views: 3,938
Posted By Housemouse
Smile Additional "interesting examples"

I found additional "interesting examples" at primes.utm.edu, under Rudolf Ondrejka's top ten.

Sometimes finding useful information using google is like looking for a needle in a hay stack.
Forum: News 2008-09-10, 17:23
Replies: 901
Views: 74,419
Posted By Housemouse
Cool Importance of prize money

I think it will be interesting to see if there is a significant decrease in throughput after the 10M digit is confirmed. I think decrease will be less than 5%.
Forum: Math 2008-08-29, 15:55
Replies: 61
Views: 3,938
Posted By Housemouse
Talking I am obviously not communicating well. However...

I am obviously not communicating well. However you could have referred me to primes.utm.edu (as done by Cruelty) or Wikipedia or some other helpful web site. I am looking for "interesting" examples...
Forum: Math 2008-08-29, 13:27
Replies: 61
Views: 3,938
Posted By Housemouse
Smile Wacky

Can you please give me an example of one function that has an infinate number of values, but can be proven to have exactly 10 prime values?
Forum: Math 2008-08-29, 12:53
Replies: 61
Views: 3,938
Posted By Housemouse
Cool Do these functions have an infinite number of...

Do these functions have an infinite number of values but a specific number of prime values?
Forum: Math 2008-08-29, 12:40
Replies: 61
Views: 3,938
Posted By Housemouse
Smile I am not a mathematician. I only had 3 years of...

I am not a mathematician. I only had 3 years of high school math. But I am curious. I defined what I meant by "rare" for the purpose of this thread.

Is it so easy, as to be trival, to...
Forum: Math 2008-08-28, 12:36
Replies: 14
Views: 1,667
Posted By Housemouse
Smile WTF ?

We all know from the Wendy's commercial that WTB =where's the beef?

WTF=where's the fries?
Forum: Math 2008-08-22, 17:23
Replies: 61
Views: 3,938
Posted By Housemouse
Sorry

I am sorry that I overreacted to the first reply to my post, I mistakenly thought he was being sarcastic.

I did not intend to start a flame war.

I am sorry I lack the mathemtical knowledge...
Forum: Math 2008-08-19, 22:56
Replies: 61
Views: 3,938
Posted By Housemouse
Have you looked here?

Thank you for your tip!
Forum: Math 2008-08-19, 20:40
Replies: 61
Views: 3,938
Posted By Housemouse
All primes Rare

Is everyone from Hungary a sarcastic moron?
Forum: Math 2008-08-19, 19:34
Replies: 61
Views: 3,938
Posted By Housemouse
"Rare" Primes

I am looking for "rare" prime numbers. For purposes of this tread a prime number is rare if there are 10 or less known examples. Even if it is believed that there is an infinate number of primes of a...
Forum: Math 2008-06-17, 17:09
Replies: 11
Views: 602
Posted By Housemouse
N subfactorial, designated !N is calculted as...

N subfactorial, designated !N is calculted as follows:


N! * (1-1/1!+1/2!-1/3!+1/4!.....1/n!)

!1 = 0
!2 = 1
!3 = 2
!4 = 9
!5 = 44
Forum: Math 2008-06-17, 13:30
Replies: 11
Views: 602
Posted By Housemouse
Subfactorial primes

!3 = 2 is the only subfactorial prime
!2+1 = 2
!3+1 = 3
!5-1 = 43

Any other !N +1 or !N - 1 that are prime?
Forum: Homework Help 2008-06-12, 13:00
Replies: 5
Views: 2,537
Posted By Housemouse
Any program to search for an odd perfect number,...

Any program to search for an odd perfect number, if any exist?
Forum: Hardware 2008-06-09, 20:47
Replies: 16
Views: 1,049
Posted By Housemouse
How do I delete the work to do files? I am...

How do I delete the work to do files?

I am a computer novice.

Thaks for the help!
Forum: Hardware 2008-06-09, 13:48
Replies: 16
Views: 1,049
Posted By Housemouse
I copied prime95, but now my computer is running...

I copied prime95, but now my computer is running 4 instances of the same number. How do I run 4 different numbers?
Forum: Math 2008-06-03, 16:47
Replies: 2
Views: 1,059
Posted By Housemouse
Small Primes

Titanic Primes with 1,000 or more digits
Gigantic Primes with 10,000 or more digits
Mega Primes with 1,000,000 or more digits

Are there any recognized names...
Forum: Hardware 2008-06-03, 16:41
Replies: 16
Views: 1,049
Posted By Housemouse
How do I make copies of prime95?

How do I make copies of prime95?
Forum: Hardware 2008-06-02, 14:52
Replies: 16
Views: 1,049
Posted By Housemouse
I bought a new computer, a quad 4. How do I run...

I bought a new computer, a quad 4. How do I run 4 instances of Prime95, do I just load the program four times? Will the computer know to assign it to eachn core?
Forum: Math 2008-05-27, 14:18
Replies: 34
Views: 5,043
Posted By Housemouse
Right Perfect Prime Numbers

If P is an even perfect number greater than 6, P-1 is always composite divisible by nine. Is it known which perfect numbers are prime for P+1?
Showing results 1 to 25 of 32

 
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