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Robert Johnson

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):	L2131, L4163
E-mail address:	(e-mail address unpublished)
Username:	RJohnson	(entry created on 02/11/2011)
Database id:	2729	(entry last modified on 06/30/2015)
Active primes:	on current list: 4 (unweighted total: 4), rank by number 230
Total primes:	number ever on any list: 32 (unweighted total: 32)
Production score:	for current list 45 (normalized: 6), total 46.7006, rank by score 509
Largest prime:	993 · 2^1821088 + 1 ‏(‎548206 digits) via code L2131 on 11/06/2013
Most recent:	2050650602355 · 2^1290000 - 1 ‏(‎388342 digits) via code L4163 on 06/30/2015
Entrance Rank:	mean 295.25 (minimum 184, maximum 427)

Surname: Johnson4 (used for alphabetizing and in codes)
Unverified primes are omitted from counts and lists until verification completed.

I am Robert Johnson and I would like to

(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.)