David Broadhurst
(Another of the Prime Pages' resources)
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person 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.)
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Proof-code(s):
g187, c4, c8, c19, p44 ... ... g425, p325, c61, c79, c85
E-mail address:
David(dot)Broadhurst(at)open(dot)ac(dot)uk
Web page:http://physics.open.ac.uk/~dbroadhu/tt.htm
Username: b (entry created on 12/29/1999)
Database id:231 (entry last modified on 12/20/2016)
Active primes:on current list: 182.7 (unweighted total: 281), rank by number 6
Total primes: number ever on any list: 1357.57 (unweighted total: 1778)
Production score: for current list 47 (normalized: 66), total 48.3144, rank by score 104
Largest prime: 2 · 179294739 + 1 ‏(‎664004 digits) via code g424 on 11/06/2011
Most recent: p(130242827) ‏(‎12705 digits) via code c85 on 11/12/2017
Entrance Rank: mean 45897.01 (minimum 39, maximum 103813)

Descriptive Data: (report abuse)
  • Favourite titanic prime: zeta(-673)/zeta(-1)
  • Favourite gigantic prime: zeta(-4305)/zeta(-1)
  • Favourite Gaussian prime: 4 + 11*sqrt(-1)
  • Favourite small positive prime: 137
  • Next favourite small positive prime: sqrt((808^5-627^5)/(808-627))
  • Favourite small negative prime: -163
  • Next favourite small negative prime: -335257649
  • Mandela's probable prime

I am David Broadhurst and I would like to
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Surname: Broadhurst (used for alphabetizing and in codes)
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