Chris Chatfield
(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): L107, L113, L133, L142, L325, L518, L555, L640, p256, p263, L1827
E-mail address: (e-mail address unpublished)
Username: Chatfield (entry created on 02/23/2005)
Database id:738 (entry last modified on 11/04/2010)
Active primes:on current list: 5 (unweighted total: 5), rank by number 186
Total primes: number ever on any list: 276 (unweighted total: 276)
Production score: for current list 45 (normalized: 6), total 47.1780, rank by score 500
Largest prime: 315 · 21639432 - 1 ‏(‎493521 digits) via code L1827 on 12/22/2011
Most recent: 315 · 21639432 - 1 ‏(‎493521 digits) via code L1827 on 12/22/2011
Entrance Rank: mean 244.20 (minimum 207, maximum 267)

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