Re: 13 is not prime!
- To: mathgroup at smc.vnet.net
- Subject: [mg4637] Re: 13 is not prime!
- From: "Alex Scheitlin" <alex-s at worldnet.att.net>
- Date: Thu, 22 Aug 1996 03:54:55 -0400
- Organization: MetLife
- Sender: owner-wri-mathgroup at wolfram.com
The following shows why:
In[] Trace[PrimeQ[p]/.p->13]
Out[] {{PrimeQ[p], False}, False /. p -> 13, False}
Felix Holderied <felix at ira.uka.de> wrote in article
<4upg5q$48n at dragonfly.wolfram.com>...
> Please help me:
> In[]:=
> PrimeQ[13]
> Out[]=
> True
> In[]:=
> PrimeQ[p] /.{p->13}
> Out[]=
> False
> WHY?
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