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Search: Posts Made By: henryzz
Forum: Open Projects 2013-07-09, 14:21
Replies: 18
Views: 12,543
Posted By henryzz
Base 12 with prime b+1, b-1 ends in a trivial...

Base 12 with prime b+1, b-1 ends in a trivial factor for k=1 c=+1...
Forum: Open Projects 2013-07-09, 09:47
Replies: 18
Views: 12,543
Posted By henryzz
With PFGW I don't really think it is worth...

With PFGW I don't really think it is worth bothering with that sort of thing. Almost all the time is spent trial factoring the candidates with large factors and prp testing them. Calculating the...
Forum: Open Projects 2013-07-08, 22:40
Replies: 18
Views: 12,543
Posted By henryzz
Well done in finding another that works. I have...

Well done in finding another that works. I have had very limitted success in finding more. All were multiples of 30 although I am not sure that is a requirement.
Forum: Open Projects 2013-07-08, 18:29
Replies: 18
Views: 12,543
Posted By henryzz
SCRIPT DIM base, 2 DIM k, 5 DIM min_n, 1...

SCRIPT

DIM base, 2
DIM k, 5
DIM min_n, 1
DIM n, min_n
DIM type, 1
DIMS type_str,+1
DIMS test_str
OPENFILEAPP prp_file,primeseriesprps.txt
Forum: Open Projects 2013-07-08, 15:48
Replies: 18
Views: 12,543
Posted By henryzz
Discovered I left riesel k=7 running by accident....

Discovered I left riesel k=7 running by accident.
The current status of all sequences is:
k=1, -1: 2, 1, 2, 1, 1, 7, 15, 35, 619, 2191, 1267, 187, 3755 >12500
k=1, +1: 1, 1, 2, 1, 5, 1, 1, 29, 3,...
Forum: Open Projects 2013-07-08, 10:37
Replies: 18
Views: 12,543
Posted By henryzz
I don't know how to prove that it never stops at...

I don't know how to prove that it never stops at a riesel k for starting k=1 but it is trivial to prove that some prime starting ks terminate.
For k=127301 n=2 is prime and this gives k=509203 for...
Forum: Open Projects 2013-07-08, 10:23
Replies: 18
Views: 12,543
Posted By henryzz
Other bases don't really work as you end up...

Other bases don't really work as you end up reaching a k with a trivial factor quickly.
Forum: Open Projects 2013-07-08, 10:02
Replies: 18
Views: 12,543
Posted By henryzz
I can add 3755 to the Riesel list. I can also...

I can add 3755 to the Riesel list.
I can also add 6071 after LaurV's addition on the Sierpinski list.

I have tested upto n=12500 and proved all primes.

I have been using a pfgw script. It...
Showing results 1 to 8 of 8

 
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