Offers an effort to extend the aliquot sequence which begins with integers greater than 1000 and is not yet known to terminate.

Provides an introduction to the Cunningham Project, which seeks to factor numbers of the form b^n +/- 1 for 2 <= b <= 12 up to high powers n.

Find tools and data for elliptic-curve factorization. Includes a historical overview, goals and a bibliography.

Find a project that seeks solutions to the Diophantine equation involving equal sums of like powers. Includes downloadable software programs.

Find an Internet-based project about Mersenne primes, or "perfect numbers" Includes links to other distributed computing projects.