Douglas B. McKay
(Another of the Prime Pages' resources)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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.)

Proof-code(s): L2549, L2573
E-mail address:
Web page:
Username: KD7LRJ (entry created on 09/01/2011)
Database id:3034 (entry last modified on 11/13/2011)
Active primes:on current list: 3 (unweighted total: 3), rank by number 291
Total primes: number ever on any list: 199 (unweighted total: 199)
Production score: for current list 46 (normalized: 15), total 48.8982, rank by score 313
Largest prime: 555 · 23393389 + 1 ‏(‎1021515 digits) via code L2549 on 05/04/2017
Most recent: 555 · 23393389 + 1 ‏(‎1021515 digits) via code L2549 on 05/04/2017
Entrance Rank: mean 315.33 (minimum 203, maximum 484)

Descriptive Data: (report abuse)

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