The Prime Pages: Chris Caldwell

Chris Caldwell
(Another of the Prime Pages' resources)

A titan, as defined by Samuel Yates, is anyone who has found a titanic prime. This page provides data on those that have found these primes. The data below only reflect on the primes currently on the list. (Many of the terms that are used here are explained on another page.)

Proof-code(s):

C, CD, g1, p8, c7, p72, x34, L1854

E-mail address:

caldwell

(at)

utm

(dot)

edu

Web page:

http://www.utm.edu/~caldwell/index.html

Username:

Caldwell

(entry created on 01/18/2000)

Database id:

(entry last modified on 11/02/2011)

Active primes:

on current list: 12 (unweighted total: 15), rank by number 77

Total primes:

number ever on any list: 335 (unweighted total: 354)

Production score:

for current list 42 (normalized: 1), total 44.1315, rank by score 940

Largest prime:

Phi(5, (3668 · 16001# - 1) · (378266 · 16001#/5 + 1)⁷) ‏(‎221071 digits) via code x34 on 10/01/2008

Most recent:

6345 · 2⁵⁷⁵⁷⁴⁷ + 1 ‏(‎173321 digits) via code L1854 on 11/12/2010

Entrance Rank:

mean 337.20 (minimum 28, maximum 1304)

Descriptive Data: (report abuse)

Chris K. Caldwell was born over a half-century ago, received his Ph.D. from UC Berkeley in algebraic number theory and now is the father of five, a professor at the University of Tennessee at Martin, and the author of these prime pages.

I am Chris Caldwell and I would like to

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Surname: Caldwell (used for alphabetizing and in codes)
Unverified primes are omitted from counts and lists until verification completed.