Re: More number theory tidbits, paper?

From: Christian Bau (christian.bau_at_cbau.freeserve.co.uk)
Date: 08/01/04


Date: Sun, 01 Aug 2004 17:58:09 +0100

In article <kq0qg0tgeqqigq0qodukfv3b66s7kmmcjc@4ax.com>,
 No Way <Not@real.com> wrote:

> On 30 Jul 2004 13:46:34 -0700, jstevh@msn.com (James Harris) wrote:
>
> >I further noted that you can find a formula for 5 that gives the count
> >of primes that are odd that do not have 3 as a factor that have 5 as a
> >factor,
>
> Primes? With five as a factor? Is this some new definition of a prime
> number or am I missing something obvious?

Here is a C function that returns the number of primes <= N that have
five as a factor:

   int primes_le_N_with_factor_5 (int N) { return N >= 5; }