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Search: Posts Made By: hunson
Forum: Lounge 2022-03-09, 13:46
Replies: 7
Views: 753
Posted By hunson
I like to use LineageOS as my operating system. ...

I like to use LineageOS as my operating system.
My favourite apps are:

- Threema and Signal for secure communication,

- OSMAND as a GoogleMaps alternative and it is offline!
-...
Forum: And now for something completely different 2022-03-07, 17:07
Replies: 21
Views: 3,603
Posted By hunson
Gratulation!

Gratulation!
Forum: And now for something completely different 2022-03-06, 12:06
Replies: 15
Views: 523
Posted By hunson
Thanks for the offer. Cybertronic motivated...

Thanks for the offer.

Cybertronic motivated me with his calculation to give it another try. If I fail or have to stop for some reason your help would be very much appreciated.
Forum: And now for something completely different 2022-03-05, 16:10
Replies: 15
Views: 523
Posted By hunson
Could you explain your calculations? Especially...

Could you explain your calculations? Especially the exponent 3.75, where does this come from?
Forum: And now for something completely different 2022-03-05, 09:56
Replies: 15
Views: 523
Posted By hunson
Mh, 3 weeks would be OK to invest. I did my...

Mh, 3 weeks would be OK to invest.
I did my estimate based on the certificate of this number with 11637 digits: https://primes.utm.edu/primes/page.php?id=132373
The overall Primo certification...
Forum: And now for something completely different 2022-03-05, 09:17
Replies: 15
Views: 523
Posted By hunson
Big Triple Prime found - help is needed

Hi,


I was very lucky and found a triple prime which will make it into the top 10 of Chris Caldwell's prime database with 13389 digits (places 7-9).
After a ~24 h run of the +5 form with Primo I...
Forum: Miscellaneous Math 2022-02-23, 19:26
Replies: 9
Views: 953
Posted By hunson
Thanks for the links to the literature. I...

Thanks for the links to the literature.

I looked at the chapters you mentioned and decided that I will not peruse this project any further.

I am not a mathematician or very skilled in math, I...
Forum: Miscellaneous Math 2022-02-20, 16:54
Replies: 9
Views: 953
Posted By hunson
I tried to understand the math behind Dr...

I tried to understand the math behind Dr Sardonicus's post and came the to "Chinese Remainder Theorem" but that's about it. I fail to see the correlation between the equation 10^(2*k) + 777*10^(k -...
Forum: Miscellaneous Math 2022-02-14, 20:24
Replies: 9
Views: 953
Posted By hunson
Nice to see that the professionals getting...

Nice to see that the professionals getting something out of these noob questions too :)
Thanks for your input, I will try to understand your explanation.
Forum: Miscellaneous Math 2022-02-13, 14:42
Replies: 9
Views: 953
Posted By hunson
:down: my bad. That was a typo, sorry. I meant to...

:down: my bad. That was a typo, sorry. I meant to write: 10^n+777*10^((n-3)/2)+1, for n > 4 (one more than the length of the 'middle' factor)
Forum: Miscellaneous Math 2022-02-13, 10:14
Replies: 9
Views: 953
Posted By hunson
Pattern in composite palindrome numbers

Hi,

currently I am interested in writing small programs for prime number generation for fun.
My newest project is a program to generate candidates for palindrome prime numbers of the form...
Forum: And now for something completely different 2022-01-31, 07:45
Replies: 26
Views: 2,014
Posted By hunson
Nice to hear that this excited some interest. ...

Nice to hear that this excited some interest.


I am curious, how many candidates did you end up with? I am pretty sure that you got some significant computing power on your hands, but especially...
Forum: And now for something completely different 2022-01-30, 16:43
Replies: 26
Views: 2,014
Posted By hunson
Motzkin primes - nothing world changing

Hi everyone,

in a recent whiff of boredom I read a wikipedia page about the categories of prime numbers (https://en.wikipedia.org/wiki/Category:Classes_of_prime_numbers).
The 'Motzkin prime...
Forum: Programming 2022-01-18, 20:50
Replies: 13
Views: 1,974
Posted By hunson
Thanks for the bug finding! The program works as...

Thanks for the bug finding! The program works as expected now.
@bsquared: I wrote the program with flipped for-loops in the beginning. Then I switched to see what the performance might be,...
Forum: Programming 2022-01-17, 21:16
Replies: 13
Views: 1,974
Posted By hunson
Thanks for looking into my code. I was...

Thanks for looking into my code.


I was already writing a reply where I explained that I do not understand the problem and I could not figure it out when I decided to have a look if someone else...
Forum: Programming 2022-01-17, 05:37
Replies: 13
Views: 1,974
Posted By hunson
Here is the whole code. #include...

Here is the whole code.





#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include <math.h>
Forum: Programming 2022-01-16, 21:46
Replies: 13
Views: 1,974
Posted By hunson
GNU MP: Cannot reallocate memory - Why?

Hey everyone,


I am again playing with the GMP library and experiencing some problems with code.


The program I am trying to write generates prime number candidates and eliminates composite...
Forum: Programming 2021-11-28, 18:54
Replies: 4
Views: 2,029
Posted By hunson
Thanks for the clarification where the problem...

Thanks for the clarification where the problem is.
Programming is just a hobby to me and I never looked into memory usage and or the 'order of time' in which my programs/scripts run. I try to...
Forum: Programming 2021-11-25, 20:04
Replies: 4
Views: 2,029
Posted By hunson
Aha! That's how you use this function. I have...

Aha! That's how you use this function. I have read in the manual but did not understand it right away how and for what to use it. Thank you.
I did some testing, that's exactly what I needed :)


...
Forum: Programming 2021-11-25, 15:46
Replies: 4
Views: 2,029
Posted By hunson
Init GMP variable with char or bit shift?

Hi,


I started learning C a couple of days ago and thought it might be fun to make use of the speed of C and learn the language with an 'useful' application: calculating with GMP.
I played...
Forum: Information & Answers 2021-11-14, 12:27
Replies: 19
Views: 3,368
Posted By hunson
Thanks for your input Puzzle-Peter. I do not...

Thanks for your input Puzzle-Peter.
I do not shoot for a new record prime, I do not have the computing power for this. I am very pleased with a top 10, like with my twin-prime which was on the 9th...
Forum: Information & Answers 2021-11-12, 16:04
Replies: 19
Views: 3,368
Posted By hunson
Thanks for the answers. @firejuggler: The...

Thanks for the answers.


@firejuggler: The page you mentioned is about that what I thought about.


I image a project that summarizes the ranges that where tested with the count of primes,...
Forum: Information & Answers 2021-11-12, 08:30
Replies: 19
Views: 3,368
Posted By hunson
Triple prime search

Hi,

currently I am interested in triple primes. This is mainly because the record primes listed in Chris Caldwell's database are still quite small and therefore quick to check.
While choosing a...
Forum: Software 2021-05-01, 10:41
Replies: 60
Views: 18,889
Posted By hunson
This is exactly the reason why I asked this....

This is exactly the reason why I asked this. Thanks for the idea using a ramdisk.



hunson
Forum: Software 2021-04-30, 07:29
Replies: 60
Views: 18,889
Posted By hunson
Hi there, currently I am doing a private...

Hi there,

currently I am doing a private prime search project with rather small numbers.
I am wondering whether it might be possible to tell llr (or pfgw in this regard) not to write these temp....
Showing results 1 to 25 of 50

 
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