"Ian L McLoughlin" <[EMAIL PROTECTED]> asks
> Since the list is quiet...
> Does a Fibonnacci series contain a finite or an infinite number of primes?
> From what I understand..
> In a gen.F sequence if the first two numbers are divisible by a prime all
> its numbers are divisible by the same prime, if the first two numbers are
> co-prime is there a generalised sequence that contains NO PRIMES....
This is part of problem A3 in Richard K. Guy's
`Unsolved Problems in Number Theory', Second Edition,
Springer-Verlag, 1994. This book could make a good
Christmas gift to your number theory friends.
Richard Guy gives solutions starting with
1786 772701 928802 632268 715130 455793
1059 683225 053915 111058 165141 686995 (Graham)
and
49463 435743 205665
62638 280004 239857 (Knuth)
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