19667Re: [PrimeNumbers] Big PrimoProth prime number
- Oct 28, 2008I wrote:
> A Proth prime is k*2^n+1 with k < 2^n.After looking at more Google hits, it actually appears that the few people
> A PrimoProth prime is based on this, a Proth prime where k is a primorial:
> m#*2^n+1 with m# < 2^n
> However, m#*2^n-1 with m# < 2^n also appears to be allowed.
searching or listing PrimoProths use different definitions or don't state a
definition at all. This confusion may be caused by Henri Lifchitz who
introduced the concept but himself seems unclear with the definiton and
inconsistent in the alleged records, both regarding whether there is an
upper and a lower limit on m#.
Jens Kruse Andersen
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