mo at ccr.org
Thu Oct 25 22:35:54 CDT 2012
and then there's the engineer's version....
1 is prime
3 is prime
5 is prime
7 is prime
9 is prime
11 is prime
13 is prime
On 10/25/12 9:48 PM, Richard O'Neill wrote:
> Proof? We don't need no stinkin' proof! However, to verify my
> thinking I did wire a few 100 ohm resistors into a small grid and
> noted resistance readings at several points. It only required 24
> resistors to convince me.
> As my old math professor would say, I used a version of a
> 'physicist's proof' that all odd numbers are prime. That is, 1,3,5,and
> 7 are prime. 9 isn't prime but we'll discard that as experimental
> error. 11 and 13 are prime. Therefore, all odd numbers are prime.
> Works most of the time. :-P
> On 10/25/2012 7:52 PM, Phil wrote:
>> If I am wrong, does my prize get busted down to a half-ohm resistor?
>> Meanwhile, can anyone spare me an infinite number of perfect one-ohm
>> resistors so that I can do the experiment?
>> BTW Richard, do you have a better proof than mine?
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