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WinPFGW Error   Message List  
Reply | Forward Message #1827 of 2073 |
Re: pfgw and phi(x,y)

--- In openpfgw@yahoogroups.com, Phil Carmody <thefatphil@...> wrote:
>
> ? polcyclo(30)
> x^8 + x^7 - x^5 - x^4 - x^3 + x + 1
>

Thank you for answering my original question, although not in a
productive mood

Lélio






Sun Mar 26, 2006 1:10 pm

lelio_73
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Message #1827 of 2073 |
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In using the 2/2005 build of WinPFGW, I am getting the following errors with -gx -a2 141*2^570401+1 ERROR DURING PROCESSING! (0.3154s+2611.4880s) ...
Mark Rodenkirch
mgrogue
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Mar 7, 2006
1:36 pm

How does pfgw evaluates phi(x,y)? I found this number to be a PrP, but can't write it in a more palatable way: Primality testing phi(30,2^4200+13) [N-1/N+1,...
Lélio Ribeiro de P...
lelio_73
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Mar 26, 2006
11:33 am

... By multiplication and division of Phi(d,y) terms for d|x. ... There is no more palatable way. It's both succinct and clear, and you can't ask for more than...
Phil Carmody
thefatphil
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Mar 26, 2006
11:53 am

What I meant was: Pfgw -f -q((2^^4200+13)^^30-1)/(2^^4200+12) ((2^4200+13)^30-1)/(2^4200+12) has factors: 2 Lélio ... De: openpfgw@yahoogroups.com...
Lelio
lelio_73
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Mar 26, 2006
12:43 pm

... But what on earth has that expression got to do with Phi(30)? ? polcyclo(30) x^8 + x^7 - x^5 - x^4 - x^3 + x + 1 ?...
Phil Carmody
thefatphil
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Mar 26, 2006
12:49 pm

... Thank you for answering my original question, although not in a productive mood Lélio...
Lélio Ribeiro de P...
lelio_73
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Mar 26, 2006
1:11 pm
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