| 2 edition (Academic Pr, May 8, 2007), cover price $110.00 | About this edition:
This second edition updates the well-regarded 2001 publication with new short sections on topics like Catalan numbers and their relationship to Pascal's triangle and Mersenne numbers, Pollard rho factorization method, Hoggatt-Hensell identity.
| Academic Pr, July 1, 2001, cover price $109.00 | About this edition:
The advent of modern technology has brought a new dimension to the power of number theory: constant practical use.
| Sol edition (Academic Pr, April 16, 2002), cover price $49.95 | About this edition:
This is a student solutions manual for Elementary Number Theory with Applications 1st edition by Thomas Koshy (2002).