home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: sci.math
- Path: sparky!uunet!wupost!udel!princeton!phoenix.Princeton.EDU!wrblwski
- From: wrblwski@phoenix.Princeton.EDU (Jaroslaw Tomasz Wroblewski)
- Subject: Re: Extended Fermat primes
- Message-ID: <1992Nov12.141315.27219@Princeton.EDU>
- Originator: news@nimaster
- Sender: news@Princeton.EDU (USENET News System)
- Nntp-Posting-Host: phoenix.princeton.edu
- Organization: Princeton University
- References: <1992Nov7.172207.17207@husc15.harvard.edu> <1992Nov8.183618.25103@CSD-NewsHost.Stanford.EDU>
- Date: Thu, 12 Nov 1992 14:13:15 GMT
- Lines: 11
-
- In article <1992Nov8.183618.25103@CSD-NewsHost.Stanford.EDU> pratt@Sunburn.Stanford.EDU (Vaughan R. Pratt) writes:
- >
- >Sticking to exponent 128, replacing 120 by 190 and 234 yields the next
- >two primes. Nothing more out to 500.
-
- The largest prime of the form (2a)^2^n+1 I could find is
- 852-digit p=46^512+1 . Primality of p can be proved by verifying that 3 is a
- primitive root mod p.
- --
-
- Jarek (Jaroslaw Tomasz Wroblewski) , E-mail jwr@math.Princeton.EDU
-