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 Showing results 1 to 25 of 1000 Search took 0.31 seconds. Search: Posts Made By: wblipp
 Forum: Factoring 2021-07-11, 05:27 Replies: 964 Views: 108,210 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: 62 Views: 3,629 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: 413 Views: 16,691 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: 964 Views: 108,210 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: 964 Views: 108,210 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: 1,967 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: 3,104 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: 1,277 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: 738 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: 893 Posted By wblipp See Dickmanâ€“de Bruijn function in Wikipedia... See Dickmanâ€“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: 738 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: 2,935 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: 24,515 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: 3,557 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: 3,557 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: 933 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: 3,557 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: 3,557 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: 832 Posted By wblipp 2, 3, 7, 229, 1579 2, 3, 7, 229, 1579
 Forum: Factoring 2019-04-10, 11:55 Replies: 14 Views: 2,935 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.
 Forum: jvang 2019-04-05, 01:41 Replies: 107 Views: 27,066 Posted By wblipp Have you learned Sigma notation yet? If so, you... Have you learned Sigma notation yet? If so, you should be able to use it to write an expression for the sum of the first n odd numbers. Have you learned inductive proofs yet? If so, you should...
 Forum: Software 2019-04-02, 16:21 Replies: 38 Views: 4,945 Posted By wblipp The Luke Richards Hobby Project I was tickled by the idea of a 50 year hobby project and curious about whether continuing trends for 50 years might by sufficient or if algorithmic improvements would be needed to beat the heat death...
 Forum: Software 2019-03-17, 22:42 Replies: 38 Views: 4,945 Posted By wblipp You should also consider a P+1 proof. 3504206+3... You should also consider a P+1 proof. 3504206+3 = 3504207+1 (http://factordb.com/index.php?id=1100000001270038807), which also has algebraic factors. Although also unlikely to factor, this side...
 Forum: Puzzles 2019-03-07, 22:12 Replies: 6 Views: 1,638 Posted By wblipp I agree with ATH's calculation of average time... I agree with ATH's calculation of average time from First Monday to Second Tuesday. How much longer is it to Second Wednesday?
 Forum: Puzzles 2019-03-05, 23:54 Replies: 6 Views: 1,638 Posted By wblipp Monday to Tuesday This is really too simple for the puzzles section, but I think others might enjoy it. My local gym has a monthly offering of "Pizza on the first Monday" and "Coffee and Bagels on the second...
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