Forum: Lounge
2022-03-09, 13:46
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Replies: 7
Views: 753
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Forum: And now for something completely different
2022-03-07, 17:07
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Replies: 21
Views: 3,603
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Forum: And now for something completely different
2022-03-06, 12:06
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Replies: 15
Views: 523
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Forum: And now for something completely different
2022-03-05, 16:10
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Replies: 15
Views: 523
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Forum: And now for something completely different
2022-03-05, 09:56
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Replies: 15
Views: 523
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...
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Forum: And now for something completely different
2022-03-05, 09:17
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Replies: 15
Views: 523
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...
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Forum: Miscellaneous Math
2022-02-23, 19:26
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Replies: 9
Views: 953
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...
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Forum: Miscellaneous Math
2022-02-20, 16:54
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Replies: 9
Views: 953
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 -...
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Forum: Miscellaneous Math
2022-02-14, 20:24
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Replies: 9
Views: 953
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Forum: Miscellaneous Math
2022-02-13, 14:42
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Replies: 9
Views: 953
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Forum: Miscellaneous Math
2022-02-13, 10:14
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Replies: 9
Views: 953
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...
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Forum: And now for something completely different
2022-01-31, 07:45
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Replies: 26
Views: 2,014
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...
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Forum: And now for something completely different
2022-01-30, 16:43
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Replies: 26
Views: 2,014
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...
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Forum: Programming
2022-01-18, 20:50
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Replies: 13
Views: 1,974
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Forum: Programming
2022-01-17, 21:16
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Replies: 13
Views: 1,974
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...
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Forum: Programming
2022-01-17, 05:37
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Replies: 13
Views: 1,974
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Forum: Programming
2022-01-16, 21:46
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Replies: 13
Views: 1,974
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...
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Forum: Programming
2021-11-28, 18:54
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Replies: 4
Views: 2,029
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Forum: Programming
2021-11-25, 20:04
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Replies: 4
Views: 2,029
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 :)
...
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Forum: Programming
2021-11-25, 15:46
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Replies: 4
Views: 2,029
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...
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Forum: Information & Answers
2021-11-14, 12:27
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Replies: 19
Views: 3,368
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...
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Forum: Information & Answers
2021-11-12, 16:04
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Replies: 19
Views: 3,368
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,...
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Forum: Information & Answers
2021-11-12, 08:30
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Replies: 19
Views: 3,368
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...
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Forum: Software
2021-05-01, 10:41
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Replies: 60
Views: 18,889
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Forum: Software
2021-04-30, 07:29
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Replies: 60
Views: 18,889
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....
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