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.