> Anton Sherwood says...
> > . . . but 2 and 5 are not prime in complex integers:
> >       (1+i)(1-i) = 2
> >       (2+i)(2-i) = 5

Sander wrote:
> Oh no, it is nothing like this! In your way there is _no_ prime
> in complex numbers. . . .

1+i, 2+i, 3, 3+2i, 4+i, 5+2i, 6+i . . .


> I superimpose the Erathostenes-grids as shown for 2, 3, and 5.
> These three result in the lower right image.

Thanks.


-- 
Anton Sherwood  --  br0### [at] p0b0xcom  --  http://ogre.nu/

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Sander wrote:
> 
> In your way there is _no_ prime in complex numbers.

Yes there are!  They are the Gaussian primes.  3 is one...

-- 
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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