Masakatu Morii

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.)

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Proof-code(s):	MM, gm, g339
E-mail address:	morii@ieee.org
Web page:	http://srv.prof-morii.net/~morii/
Username	Morii	(entry created on 1/18/2000 18:50:53 UTC)
Database id:	47	(entry last modified on 7/28/2014 13:39:21 UTC)
Active primes:	on current list: 3 (unweighted total: 3), rank by number 272
Total primes:	number ever on any list: 5 (unweighted total: 5)
Production score:	for current list 40 (normalized: 0), total 40.7998, rank by score 1000
Largest prime:	481899 · 2⁴⁸¹⁸⁹⁹ + 1 ‏(‎145072 digits) via code gm on 9/30/1998 12:55:34 UTC
Most recent:	19830119 · 2¹⁶⁸¹⁹⁹ + 1 ‏(‎50641 digits) via code g339 on 2/18/2004 07:38:43 UTC
Entrance Rank:	mean 160.00 (minimum 7, maximum 238)

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Dr. Masakatu Morii has been a Professor at the Department of Electrical and Electronics Engineering, Kobe University, Kobe, Japan. His research interests are in error correcting codes, cryptography, discrete mathematics and computer networks. He has found the second largest Cullen prime in 1998; 481899*2^{481899}+1.

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

I am Masakatu Morii 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.