David Broadhurst


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 reflects on the primes currently on the list. (Many of the terms that are used here are explained on another page.)

g187, c4, c8, c19, p44 ... ... c79, c85, c89, E6, E8
E-mail address:
Username b (entry created on 12/29/1999 13:29:22 UTC)
Database id:231 (entry last modified on 8/26/2022 06:48:38 UTC)
Active primes:on current list: 73.0332 (unweighted total: 133), rank by number 10
Total primes: number ever on any list: 1365.23 (unweighted total: 1800)
Production score: for current list 47 (normalized: 10), total 48.3144, rank by score 468
Largest prime: 2 · 179294739 + 1 ‏(‎664004 digits) via code g424 on 11/6/2011 13:32:56 UTC
Most recent: E(11848)/7910215 ‏(‎40792 digits) via code E8 on 8/26/2022 06:52:51 UTC
Entrance Rank: mean 44641.36 (minimum 39, maximum 96021)

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 palindromic prime

Surname: Broadhurst (used for alphabetizing and in codes).
Unverified primes are omitted from counts and lists until verification completed.
I am David Broadhurst and I would like to
Edit this page

Submit primes using the proof-code: (a password will be required)

(Reuse an old code if your are using the same programs, projects... Only create a new code if you are doing something differently than in the past. Duplicate codes will be merged.
Printed from the PrimePages <t5k.org> © Reginald McLean.