Marc Harper
(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.)

Proof-code(s): L2591, L2887
E-mail address: (e-mail address unpublished)
Username: MHarper (entry created on 09/02/2011)
Database id:3069 (entry last modified on 12/16/2011)
Active primes:on current list: 1 (unweighted total: 1), rank by number 517
Total primes: number ever on any list: 17 (unweighted total: 17)
Production score: for current list 43 (normalized: 1), total 45.2631, rank by score 901
Largest prime: 653 · 21377857 + 1 ‏(‎414780 digits) via code L2887 on 01/25/2012
Most recent: 1641 · 21059495 + 1 ‏(‎318943 digits) via code L2887 on 02/28/2013
Entrance Rank: mean 360.00 (minimum 360, maximum 360)

I am Marc Harper 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: Harper (used for alphabetizing and in codes)
Unverified primes are omitted from counts and lists until verification completed.