Algorithm Design Manual - Number Theoretic Algorithms: A chapter from "The Algorithm Design Manual" by Steven S. Skiena.
Algorithmic Number Theory: Notes by Al Sethuraman.
Basics of Computational Number Theory: Notes and Javascript illustrations by Robert Campbell.
Computational Number Theory: Lecture notes by Robert Campbell, December 1997.
Computational Projects in Number Theory: Interesting problems, usually requiring extensive verifications or enumerations, to occupy the idle CPU time of workstations and personal computers. Compiled by Tomás Oliveira e Silva.
Future Directions in Algorithmic Number Theory: Some of the conjectures and open problems motivated by the "PRIMES is in P" papers, compiled at the AIM.
Implementations of Extended LLL: Links and notes by Wilberd van der Kallen.
LLL Page: Maintained by Keith Matthews. Papers, examples, pseudocode.
Some Number Records: Connected with divisibility and factoring.
Suggested Readings in Algorithmic Number Theory: Provided by the organizers of the MSRI Fall 2000 research program.
The LLL Algorithm: Papers on the LLL algorithm and its applications collected by François Koeune.
Visible Euclidean Algorithm: Enter two positive integers, and click the button to see the operations of the Euclidean Algorithm.