--- On Thu, 5/8/08, Paolo Taraboi <olo4all@...
> Is well known that prime numbers can be found with sieve
> of Eratosthenes
> and that they are all type 6n+1 or 6n-1.
2 isn't. There's another one too, but I'll let you work that one out yourself.
> I do not think that it's already known that prime
> number are all 6n +-1
> type numbers excluded those which are the product of two
> members of the
> groupincluded each number with itself.
You think incorrectly. It's a direct consequence of the corrected version of your first sentence.
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