Primality-testing program with multiple types of moduli (PFGW-related)

2006-10-02, 22:33

I am wondering if their is a progrma, similar to proth in output and interface, that has a formula that you can change or specify.

This would help locate primes and etc with varying formulas, rather than just 1+k^n, as in Proth

Thanks in advance,

rogue · 2006-10-02, 23:08

Try PFGW.

2006-10-04, 15:44

How do you actually apecify a formula - it looks like it starts with a default one, but I can't find where to change it.

Also, I haven't been able to find an instruction guide on the internet, which has been annoying...

Can anyone brief me on the basics of PFGW?

Thanks

rogue · 2006-10-04, 16:18

You will need to construct and ABC file for PFGW. The first line will contain the formula with variables while subsequent lines supply values for those variables. The document (pfgwdoc.txt) is included in the download.

Jens K Andersen · 2006-10-04, 22:38

Quote:

Originally Posted by Unregistered

I haven't been able to find an instruction guide on the internet

The documentation is not in the Linux binary but in the Win32 version at http://tech.groups.yahoo.com/group/primeform/
See e.g. pfgwdoc.txt and abcfileformats.txt

2006-10-02, 22:33	#1
Unregistered 1100110010₂ Posts	Primality-testing program with multiple types of moduli (PFGW-related) I am wondering if their is a progrma, similar to proth in output and interface, that has a formula that you can change or specify. This would help locate primes and etc with varying formulas, rather than just 1+k^n, as in Proth Thanks in advance,

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2006-10-02, 23:08	#2
rogue "Mark" Apr 2003 Between here and the 7241₁₀ Posts	Try PFGW.

2006-10-04, 15:44	#3
Unregistered 2·19·173 Posts	How do you actually apecify a formula - it looks like it starts with a default one, but I can't find where to change it. Also, I haven't been able to find an instruction guide on the internet, which has been annoying... Can anyone brief me on the basics of PFGW? Thanks

2006-10-04, 16:18	#4
rogue "Mark" Apr 2003 Between here and the 1C49₁₆ Posts	You will need to construct and ABC file for PFGW. The first line will contain the formula with variables while subsequent lines supply values for those variables. The document (pfgwdoc.txt) is included in the download.