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 Showing results 1 to 25 of 1000 Search took 0.36 seconds. Search: Posts Made By: paulunderwood
 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...
 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.
 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.
 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.
 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...
 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...
 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).
 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.
 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...
 2022-06-19, 22:34 Replies: 169 Views: 10,475 Posted By paulunderwood #include #include ... #include #include #include #include "gwnum/giants.h" #include "gwnum/gwnum.h" #include "gwnum/gwcommon.h" #include int main(int argc, char *argv[]){
 2022-06-19, 16:56 Replies: 169 Views: 10,475 Posted By paulunderwood Yes :redface: Yes :redface:
 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?
 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)...
 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.
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