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 Showing results 1 to 25 of 1000 Search took 0.32 seconds. Search: Posts Made By: wblipp
 Forum: FactorDB 2022-03-08, 18:41 Replies: 440 Views: 83,419 Posted By wblipp I didn't know that cyclotomic polynomials N+1... I didn't know that cyclotomic polynomials N+1 algebraic factorizations as well as N-1. Here's an example where those factors combined to make a primality proof. The primitive part of (x^882+1),...
 Forum: FactorDB 2022-03-05, 17:29 Replies: 440 Views: 83,419 Posted By wblipp (11571^245+1)*(11571^7+1)/(11571^49+1)/(11571^35+1... (11571^245+1)*(11571^7+1)/(11571^49+1)/(11571^35+1) (http://factordb.com/index.php?id=1100000002950722607) 683 digits This is the primitive part of x^245+1 for x=11571. P-1 has algebraic factors,...
 Forum: FactorDB 2021-10-26, 03:51 Replies: 26 Views: 5,128 Posted By wblipp I'm not sure this is what you want, but have you... I'm not sure this is what you want, but have you tried using the factor tables URL with +n*0 added to the number, 1 result per page, and extended text format? For example, (9999999931^20+1)...
 Forum: greenskull 2021-10-03, 22:49 Replies: 205 Views: 10,686 Posted By wblipp I guess simplicity and understandableness, like... I guess simplicity and understandableness, like beauty, lie in the eye of the beholder. On reflection about the interstellar distances, this doesn't seem simpler to me. There doesn't seem to be...
 Forum: Lounge 2021-09-17, 06:33 Replies: 1,691 Views: 194,615 Posted By wblipp overall, All Americans death by Covid 2,000 ppm... overall, All Americans death by Covid 2,000 ppm I wonder which reasoning errors are predominant in deciding against the Covid vaccine. Is it innumeracy? Or perhaps base effect? Most of my...
 Forum: Factoring 2021-07-11, 05:27 Replies: 1,015 Views: 135,987 Posted By wblipp Could I persuade you to explain the rationale for... Could I persuade you to explain the rationale for choosing this fix? In the paper for [$]10^{1500}[/$] you used exact branches on [$]3^2[/$] and [$]3^4[/$], which required additional standard...
 Forum: Science & Technology 2021-07-03, 19:57 Replies: 78 Views: 8,271 Posted By wblipp Your arguments made sense 30 years ago. But... Your arguments made sense 30 years ago. But there has been a paradigm shift. Your arguments work in a world where space activities are done by governments funded by tax dollars and support is at...
 Forum: Factoring 2021-06-17, 21:26 Replies: 459 Views: 44,277 Posted By wblipp I'm skimming, so this might not be what you want.... I'm skimming, so this might not be what you want. But in a few minutes PARI/GP showed many quadratic polynomials that factor this, including a(z) = z^2 -z -2 a(z) = 7z^2 -5z +4
 Forum: Factoring 2021-05-25, 21:12 Replies: 1,015 Views: 135,987 Posted By wblipp I needed to clear my cache. Probably worked... I needed to clear my cache. Probably worked correctly all along if not cached.
 Forum: Factoring 2021-05-25, 05:01 Replies: 1,015 Views: 135,987 Posted By wblipp @Pascal I think you posted the old mwrb file... @Pascal I think you posted the old mwrb file to both links. They both start with 6115909044841454629 16 -------------- @mathwiz As described in Pascal's summary page...
 Forum: Homework Help 2021-02-18, 20:54 Replies: 8 Views: 2,851 Posted By wblipp This might be what you want: The expected... This might be what you want: The expected number of primes between 10a and 10b is ln( a/b ). Also true when replacing "10" with any other base. Now offline, but the wayback machine shows this...
 2020-10-16, 06:59 Replies: 2 Views: 4,057 Posted By wblipp Linearly Independent Quadratics in a 7-variable polynomial Ideal I'm just beginning to learn about polynomial Ideals and groebner basis. I've got a system of polynomials in seven variables and groebner basis using lex order for several orderings of the variables....
 Forum: Math 2020-10-10, 04:54 Replies: 2 Views: 1,629 Posted By wblipp x' = 5 x + 22 y y' = 2 x + 9 y Start with... x' = 5 x + 22 y y' = 2 x + 9 y Start with the "obvious" 29 = 52 + 22
 Forum: Miscellaneous Math 2019-08-21, 02:11 Replies: 3 Views: 960 Posted By wblipp This article... This article (http://myreckonings.com/wordpress/2011/10/05/the-13th-root-of-a-100-digit-number-part-i/) says it has pictures of the 73rd root demonstration. I think the top picture is the 500+ digit...
 Forum: Miscellaneous Math 2019-08-21, 01:33 Replies: 3 Views: 1,120 Posted By wblipp See Dickman–de Bruijn function in Wikipedia... See Dickman–de Bruijn function in Wikipedia (https://en.wikipedia.org/wiki/Dickman_function), Wolfram (http://mathworld.wolfram.com/DickmanFunction.html) and elsewhere.
 Forum: Miscellaneous Math 2019-08-21, 01:26 Replies: 3 Views: 960 Posted By wblipp According to this ... According to this (http://stepanov.lk.net/mnemo/mkleine.html), it was a 507 digit number, which puts the root between 8540964 and 8814658 inclusive.
 Forum: Factoring 2019-05-25, 00:12 Replies: 14 Views: 3,660 Posted By wblipp I just now looked, and the name does not expire... I just now looked, and the name does not expire until December; Perhaps I should renew it and share it with you - perhaps let you have lib.oddperfect.org or something like that. It would keep my...
 Forum: ElevenSmooth 2019-05-08, 01:54 Replies: 3 Views: 34,326 Posted By wblipp I lost interest in maintaining the site and let... I lost interest in maintaining the site and let the domain name expire.
 Forum: Miscellaneous Math 2019-04-15, 23:42 Replies: 37 Views: 4,528 Posted By wblipp Now would be a good time to step back and try to... Now would be a good time to step back and try to understand why nothing is working. You have successfully shown "there must be at least one prime outside of previous consideration" several times. ...
 Forum: Miscellaneous Math 2019-04-15, 15:03 Replies: 37 Views: 4,528 Posted By wblipp Looking good to here. Ooops. This... Looking good to here. Ooops. This means at least one prime (p) exists beyond those in the list. But why must it be a twin prime?
 Forum: enzocreti 2019-04-15, 13:34 Replies: 2 Views: 1,172 Posted By wblipp The squares get sparse much faster than the... The squares get sparse much faster than the primes, so once you get out of the very small numbers, there are going to many primes between adjacent squares. There are 23 primes between (100)^2 and...
 Forum: Miscellaneous Math 2019-04-15, 13:26 Replies: 37 Views: 4,528 Posted By wblipp I'm with you this far. But I lost you... I'm with you this far. But I lost you here, There are lots of primes that are not twin primes. Why is it impossible that Q is a product of only these non-twin primes?
 Forum: Miscellaneous Math 2019-04-14, 18:03 Replies: 37 Views: 4,528 Posted By wblipp But not all primes are in S. Could Q be... But not all primes are in S. Could Q be divisible by one or more of those other primes?
 Forum: enzocreti 2019-04-11, 01:14 Replies: 3 Views: 1,035 Posted By wblipp 2, 3, 7, 229, 1579 2, 3, 7, 229, 1579
 Forum: Factoring 2019-04-10, 11:55 Replies: 14 Views: 3,660 Posted By wblipp I'm still around, but haven't had the interest to... I'm still around, but haven't had the interest to update OPN for a few years. When the domain name came up for renewal I let it expire.
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