Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/3/84; site talcott.UUCP
Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!harpo!decvax!genrad!wjh12!talcott!gjk
From: gjk@talcott.UUCP (Greg J Kuperberg)
Newsgroups: net.math
Subject: Re: Re: the insatiable prime-hunger of professor ziff
Message-ID: <165@talcott.UUCP>
Date: Wed, 5-Dec-84 13:24:03 EST
Article-I.D.: talcott.165
Posted: Wed Dec  5 13:24:03 1984
Date-Received: Sat, 8-Dec-84 04:39:57 EST
References: <3511@ecsvax.UUCP> <568@godot.UUCP>
Organization: Harvard
Lines: 16

> Re primes of the form 1+10**n, I can think of no reason why there should
> be none (for n even, of course).  Other than 101, there are none through
> 1+10**200.
...
> --Bruce Nemnich, Thinking Machines Corporation, Cambridge, MA
>   ihnp4!godot!bruce, bjn@mit-mc.arpa ... soon to be bruce@godot.arpa

You need only look for primes of the form 1+10**(2**n).  This follows from
the fact that the polynomial x**(2*n+1) can be factored.
---
			Greg Kuperberg
		     harvard!talcott!gjk

"Madam, there is only one important question facing us, and that is the
question whether the white race will survive."  -Leonid Breshnev, speaking
to Margaret Thatcher.