Michael Curtis


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.)

Proof-code(s): L117, L167, L282, L486, L1862, p380, L4521
E-mail address:
Username Vbcurtis (entry created on 4/29/2005 01:38:55 UTC)
Database id:757 (entry last modified on 5/20/2024 18:14:25 UTC)
Active primes:on current list: 34 (unweighted total: 34), rank by number 25
Total primes: number ever on any list: 179 (unweighted total: 180)
Production score: for current list 50 (normalized: 149), total 50.1541, rank by score 66
Largest prime: 127 · 26836153 - 1 ‏(‎2057890 digits) via code L1862 on 6/25/2018 19:33:33 UTC
Most recent: 31 · 23259185 - 1 ‏(‎981114 digits) via code L1862 on 5/20/2024 18:15:10 UTC
Entrance Rank: mean 782.00 (minimum 47, maximum 3144)

Descriptive Data: (report abuse)

I am a lecturer in the math dept at UC Riverside, and have run Prime searches since 1997. email contact welcome.

Surname: Curtis (used for alphabetizing and in codes).
Unverified primes are omitted from counts and lists until verification completed.
I am Michael Curtis and I would like to
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