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Forum: XYYXF Project 2022-06-26, 17:31
Replies: 513
Views: 124,032
Posted By paulunderwood
http://factordb.com/index.php?showid=1100000003609...

http://factordb.com/index.php?showid=1100000003609777732
Forum: Soap Box 2022-06-25, 00:14
Replies: 146
Views: 11,933
Posted By paulunderwood
bzVHjg3AqIQ

bzVHjg3AqIQ
Forum: Hardware 2022-06-24, 23:33
Replies: 248
Views: 50,634
Posted By paulunderwood
I understand the distraction to your key skills...

I understand the distraction to your key skills of coding but there are a few more things you should try with the PSU+Motherboard+CPU:

Step 0. Make sure the pump and radiator fans are plugged into...
Forum: Miscellaneous Math 2022-06-24, 22:28
Replies: 25
Views: 482
Posted By paulunderwood
:lol: For my next tricks, I have forgotten how to...

:lol: For my next tricks, I have forgotten how to prove pi is transcendental, the proof of Prime Number Theorem and have never quite figured out the proof of Riemann's Hypothesis.
Forum: Miscellaneous Math 2022-06-24, 21:46
Replies: 25
Views: 482
Posted By paulunderwood
I have forgotten how to prove e is...

I have forgotten how to prove e is transcendental. Intuitively, it cannot be written algabraically. Without me referring to my Spivak book, can you explain how it is proven transcendental? e^11 is...
Forum: Miscellaneous Math 2022-06-24, 21:22
Replies: 25
Views: 482
Posted By paulunderwood
I think it does converge. The terms approach 0 as...

I think it does converge. The terms approach 0 as n goes to infinity. I can quite make subsets of terms be bounded and making the subset sum less then some bound which clearly is by experimentation...
Forum: Software 2022-06-24, 14:04
Replies: 5
Views: 178
Posted By paulunderwood
Not really. I can run with (P,1) with min P:...

Not really. I can run with (P,1) with min P: Jacobi(P^2-4,n)==-1. Will that do for you sir?

Here are the results as they come in:


echo 'print((57*11^62668-7)/10)' | gp -q |...
Forum: Software 2022-06-24, 13:28
Replies: 5
Views: 178
Posted By paulunderwood
No. PFGW does not run a strong Lucas PRP test. It...

No. PFGW does not run a strong Lucas PRP test. It could if you altered the source code. If you really want to strong Lucas test these numbers you could run the GMP program...
Forum: And now for something completely different 2022-06-24, 06:03
Replies: 164
Views: 35,991
Posted By paulunderwood
AFAIK factorDB lacks the ability to verify both...

AFAIK factorDB lacks the ability to verify both KP and CHG proofs.
Forum: Miscellaneous Math 2022-06-24, 05:57
Replies: 25
Views: 482
Posted By paulunderwood
I think you meant 11^N/(N!). :smile:

I think you meant 11^N/(N!). :smile:
Forum: MattcAnderson 2022-06-23, 20:34
Replies: 5
Views: 103
Posted By paulunderwood
10^2^k+1 is a Generalized Fermat Number. There...

10^2^k+1 is a Generalized Fermat Number. There are very few Fermat Numbers that are prime. There will be fewer base 10 GFN primes is my guess.
Forum: And now for something completely different 2022-06-23, 11:40
Replies: 164
Views: 35,991
Posted By paulunderwood
It is ranked now. Try adding a comment.

It is ranked now. Try adding a comment.
Forum: And now for something completely different 2022-06-23, 11:17
Replies: 164
Views: 35,991
Posted By paulunderwood
The database re-ranks primes every 30 mins.

The database re-ranks primes every 30 mins.
Forum: And now for something completely different 2022-06-22, 19:19
Replies: 169
Views: 10,475
Posted By paulunderwood
The ultimate Ver_6 has been uploaded to post 148...

The ultimate Ver_6 has been uploaded to post 148 (https://mersenneforum.org/showpost.php?p=606916&postcount=148). It uses functions and a neat piece of code to calculate odd d for n-1=d*2^r thanks to...
Forum: And now for something completely different 2022-06-22, 18:58
Replies: 164
Views: 35,991
Posted By paulunderwood
It's a bit involved. I think you have enter the...

It's a bit involved. I think you have enter the whole number as a "blob" and give it the label: "tau(47^4176)". However if it does not have more than 26,709 digits as of today it is inadmissible to...
Forum: Miscellaneous Math 2022-06-21, 23:29
Replies: 10
Views: 340
Posted By paulunderwood
If you have found a new Mersenne prime please...

If you have found a new Mersenne prime please email :woltman:

If it is not a Mersenne prime, please tell us what it is and we can best advise you where it might be put.

The bonus for a Mersenne...
Forum: And now for something completely different 2022-06-20, 23:45
Replies: 169
Views: 10,475
Posted By paulunderwood
Attached is a version that uses a quick gwswap()...

Attached is a version that uses a quick gwswap() rather than a slow gwcopy(). I have added the corresponding Ver_5 code to post 148 (https://mersenneforum.org/showpost.php?p=606916&postcount=148).
Forum: And now for something completely different 2022-06-20, 19:22
Replies: 169
Views: 10,475
Posted By paulunderwood
I have just put out (post 148) code that does...

I have just put out (post 148) code that does autoincrement of FFT size on excessive round-off error. Attached is the concept test program.
Forum: And now for something completely different 2022-06-20, 05:25
Replies: 169
Views: 10,475
Posted By paulunderwood
I had the fft length increase in the wrong place...

I had the fft length increase in the wrong place in the code for "Ver-2b (https://mersenneforum.org/showpost.php?p=606916&postcount=148)". Please try out now. I have overkilled with 2 notches of...
Forum: And now for something completely different 2022-06-19, 22:34
Replies: 169
Views: 10,475
Posted By paulunderwood
#include <stdio.h> #include <string.h> ...

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "gwnum/giants.h"
#include "gwnum/gwnum.h"
#include "gwnum/gwcommon.h"
#include <gmp.h>

int main(int argc, char *argv[]){
Forum: And now for something completely different 2022-06-19, 16:56
Replies: 169
Views: 10,475
Posted By paulunderwood
Yes :redface:

Yes :redface:
Forum: And now for something completely different 2022-06-19, 16:28
Replies: 169
Views: 10,475
Posted By paulunderwood
There were some serious errors in Version 6 of my...

There were some serious errors in Version 6 of my GWNUM addition. I was using "use the next fft" on generic mod. :redface:

There are now two versions: One uses a bigger FFT size (Ver-2b) and the...
Forum: Software 2022-06-18, 18:55
Replies: 24
Views: 3,000
Posted By paulunderwood
If you turn off the energy efficient cores in...

If you turn off the energy efficient cores in BIOS, does your motherboard allow the performance cores to use AVX512?
Forum: And now for something completely different 2022-06-17, 16:38
Replies: 164
Views: 35,991
Posted By paulunderwood
Can someone please update...

Can someone please update https://en.wikipedia.org/wiki/Elliptic_curve_primality#Elliptic_curve_primality_proving with Andreas Enge's 10^50000+65859 (https://primes.utm.edu/primes/page.php?id=134003)...
Forum: And now for something completely different 2022-06-16, 14:41
Replies: 164
Views: 35,991
Posted By paulunderwood
I'll do these now! The M130439 cofactor...

I'll do these now!

The M130439 cofactor seems stuck. I am releasing it.
Showing results 1 to 25 of 1000

 
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