A Prime with Digits. As of 1990, there were more than 1400 known (Ribenboim 1990). The table below gives the number of known titanic primes as a function of year end.
Year | Titanic Primes |
1992 | 2254 |
1993 | 9166 |
1994 | 9779 |
1995 | 12391 |
References
Caldwell, C. ``The Ten Largest Known Primes.''
http://www.utm.edu/research/primes/largest.html#largest.
Morain, F. ``Elliptic Curves, Primality Proving and Some Titanic Primes.'' Astérique 198-200, 245-251,
1992.
Ribenboim, P. The Little Book of Big Primes. Berlin: Springer-Verlag, p. 97, 1990.
Yates, S. ``Titanic Primes.'' J. Recr. Math. 16, 250-262, 1983-84.
Yates, S. ``Sinkers of the Titanics.'' J. Recr. Math. 17, 268-274, 1984-85.