John Sheridan


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): L2354, L2594, L5252, L5266
E-mail address: (e-mail address unpublished)
Username: JSheridan (entry created on 04/29/11)
Database id:2880 (entry last modified on 02/07/21)
Active primes:on current list: 5 (unweighted total: 5), rank by number 185
Total primes: number ever on any list: 35 (unweighted total: 35)
Production score: for current list 47 (normalized: 23), total 47.8337, rank by score 248
Largest prime: 2183 · 23355297 + 1 ‏(‎1010049 digits) via code L5266 on 02/21/21
Most recent: 3739 · 21634058 + 1 ‏(‎491905 digits) via code L2594 on 02/27/21
Entrance Rank: mean 970.60 (minimum 283, maximum 2890)

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