Mersenne Prime Search
An organized search for Mersenne prime numbers. Free software provided.

The Mersenne Prime Homepage
Notes and links by Simon Rubinstein-Salzedo.

Mersenne Primes: History, Theorems, and Lists
A comprehensive summary of Mersenne prime matters, from their earliest history to the modern test implementations by computer.

Will Edgington's Mersenne Page
Downloadable factor data, newsletter archives, and proofs of theorems relating to the search for Mersenne primes.

Mersenne Prime Digits
Landon Curt Noll lists the decimal, English, and American expansions of all the known Mersenne primes.

Marin Mersenne
Biography of the Minim friar and his contributions to number theory. Includes references, pictures, and cross-references to topics.

Mersenne and Fermat Primes Field
Henri Lifchitz's single general form contains the main remarkable numbers of number theory.

Ars Technica Team Prime Rib
A distributed computing team dedicated to finding Mersenne prime numbers.

mersenneforum.org
A forum about prime numbers.

Distributed Computing Strikes Gold
An article about the newly found M 13466917 at CNET.com.

Internet PrimeNet Server
PrimeNet is a distributed computing project for the Great Internet Mersenne Prime Search, co-ordinating the assignment of work and collection of results.

Mersenne Prime Mailing List
Unmoderated list for communication between those interested in all aspects of Mersenne Primes. Sginup and access to archives.