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Search: Posts Made By: paulunderwood
Forum: Wagstaff PRP Search 2013-10-18, 01:33
Replies: 26
Views: 60,216
Posted By paulunderwood
The modular reduction is done over "n" and...

The modular reduction is done over "n" and "L^2+1". Here is a worked example for n=11 where L^2==-1 (mod 11, L^2+1)


(L+2)^2==L^2+4*L+4==4*L+3
(L+2)^3==(4*L+3)*(L+2)==4*L^2+11*L+6==0*L+6-4==2...
Forum: Wagstaff PRP Search 2013-10-17, 21:27
Replies: 26
Views: 60,216
Posted By paulunderwood
The tests passed for both PRPs. :smile: I...

The tests passed for both PRPs. :smile:

I have emailed Henri Lifchitz requesting that the annotations for the PRPs in his database (http://www.primenumbers.net/prptop/prptop.php) lists all our PRP...
Forum: Wagstaff PRP Search 2013-09-20, 22:10
Replies: 26
Views: 60,216
Posted By paulunderwood
Running N+1 test using discriminant 2, base...

Running N+1 test using discriminant 2, base 1+sqrt(2)
(2^13347311+1)/3 is Lucas PRP! (442900.4907s+0.0204s)


and...
Forum: Wagstaff PRP Search 2013-09-19, 23:57
Replies: 26
Views: 60,216
Posted By paulunderwood
:tu: I've got 'em covered. One more day to go on...

:tu: I've got 'em covered. One more day to go on a 4770k at 4GHz.
Forum: Wagstaff PRP Search 2013-09-10, 19:15
Replies: 26
Views: 60,216
Posted By paulunderwood
I have a special version that calculates modulo...

I have a special version that calculates modulo 2^p+1 -- so no generic modulo. :smile:
Forum: Wagstaff PRP Search 2013-09-10, 18:57
Replies: 26
Views: 60,216
Posted By paulunderwood
Serge should be giving some PRP results soon. ...

Serge should be giving some PRP results soon.

I have started a GMP implementation of my test for the new Wagstaffs on a Q6600:
(L+2)^(N+1)==5 (mod N, L^2+1)

It will take a few weeks :smile:
Forum: Wagstaff PRP Search 2013-09-08, 21:18
Replies: 26
Views: 60,216
Posted By paulunderwood
What ranges did you search, Ryan?

What ranges did you search, Ryan?
Forum: Wagstaff PRP Search 2013-09-08, 21:16
Replies: 26
Views: 60,216
Posted By paulunderwood
Wowee! :w00t:

Wowee! :w00t:
Showing results 1 to 8 of 8

 
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