mersenneforum.org how can I test a number in any prime95?
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 2016-07-28, 12:06 #1 Welton     Feb 2016 Belo Horizonte 2·3 Posts how can I test a number in any prime95? how can I test a number in any prime95? Linux command line.
 2016-07-28, 13:55 #2 Uncwilly 6809 > 6502     """"""""""""""""""" Aug 2003 101×103 Posts 23·1,117 Posts For linux use mprime (available here) It has the basic command line start there. More details are in the readme.txt If you have a more specific question (or one that is not covered), ask here.
 2016-07-28, 14:53 #3 Welton     Feb 2016 Belo Horizonte 2·3 Posts My difficulty is the English language is the lack of practical examples in the readme.txt I want to test the prime: 90529469 with MPrime and if possible two computers share this work together
2016-07-28, 15:29   #4
Mark Rose

"/X\(‘-‘)/X\"
Jan 2013

2,917 Posts

Quote:
 Originally Posted by Welton My difficulty is the English language is the lack of practical examples in the readme.txt I want to test the prime: 90529469 with MPrime and if possible two computers share this work together
For small numbers like that, use the factor command:

Code:
\$ factor 90529469
90529469: 90529469
It's prime.

2016-07-28, 15:39   #5
GP2

Sep 2003

A1616 Posts

Quote:
 Originally Posted by Welton I want to test the prime: 90529469 with MPrime and if possible two computers share this work together
It looks like this exponent is already assigned to you since June 27.

Look for a line similar to:

Code:
Test=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX,90529469,72,1
(here the "XXXX..." part will be numbers and letters)

If you are running mprime or Prime95, stop it.

Edit the file called worktodo.txt which is in the same directory as the mprime or Prime95 program.

Copy the "Test=" line into worktodo.txt

Restart mprime or Prime95. But if you are running an older version of the program, it's best to upgrade to version 28.9 (get it from http://www.mersenne.org/download/ ).

Two different computers can't work on the same exponent at the same time.

However if your computer has more than one CPU core, the latest version 28.9 of mprime or Prime95 will run faster by letting all the cores work together. You might want to create a new directory for version 28.9 so that the old settings in prime.txt and local.txt don't interfere.

Last fiddled with by GP2 on 2016-07-28 at 15:42

 2016-07-28, 19:30 #6 Welton     Feb 2016 Belo Horizonte 2×3 Posts Thanks for all, in fact I'll test 2 ** 90,529,469
2016-07-28, 19:48   #7
Mark Rose

"/X\(‘-‘)/X\"
Jan 2013

2,917 Posts

Quote:
 Originally Posted by Welton Thanks for all, in fact I'll test 2 ** 90,529,469
I think you mean 2 ** 90,529,469 ± 1. :)

 2016-07-29, 12:07 #8 Welton     Feb 2016 Belo Horizonte 68 Posts 2**90529469-1 Thanks.

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