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Search took 0.34 seconds. Search: Posts Made By: wblipp
Forum: FactorDB 2022-03-08, 18:41
Replies: 441
Views: 84,743
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: 441
Views: 84,743
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: 5,472
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: 11,297
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: 200,302
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: 139,363
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: 8,885
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: 46,748
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: 139,363
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: 139,363
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: 2,916
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...
Forum: Abstract Algebra & Algebraic Number Theory 2020-10-16, 06:59
Replies: 2
Views: 4,157
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: 1,660
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: 979
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: 1,140
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: 979
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: 3,699
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: 35,380
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: 4,595
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: 4,595
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: 1,191
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: 4,595
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: 4,595
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: 1,046
Posted By wblipp
2, 3, 7, 229, 1579

2, 3, 7, 229, 1579
Forum: Factoring 2019-04-10, 11:55
Replies: 14
Views: 3,699
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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