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Forum: Conjectures 'R Us 2008-04-14, 09:17
Replies: 405
Views: 72,518
Posted By paulunderwood
With a little searching on PrimeForm's messages,...

With a little searching on PrimeForm's messages, as far as I can tell, the PFGW loop Gary gives is "breaking". I apologize for the confusion.
Forum: Conjectures 'R Us 2008-04-14, 08:44
Replies: 405
Views: 72,518
Posted By paulunderwood
Without doing comparison tests, I still feel it...

Without doing comparison tests, I still feel it is quicker to sieve using the appropriate switches of NewPGen or sr2sieve called from a loop in a batch file; I might be wrong.



There is a...
Forum: Conjectures 'R Us 2008-04-13, 02:23
Replies: 405
Views: 72,518
Posted By paulunderwood
Sieving the whole range is a lot quicker than...

Sieving the whole range is a lot quicker than trial dividing all the numbers one by one. Use NewPGen. Time a PFGW PrP test at 80% of you maximum "n". For example, if your maximum "n" is 150k then...
Forum: Conjectures 'R Us 2008-04-12, 07:34
Replies: 405
Views: 72,518
Posted By paulunderwood
Are you sure? :ermm: It is much quicker to do a...

Are you sure? :ermm: It is much quicker to do a "probable prime" test than do N+1 or N-1 tests when crunching a batch of numbers. Run the fully blown proving tests on those that the quick tests...
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