(Paperback)
Basic treatment, incorporating language of abstract algebra and a history of the discipline. Unique factorization and the GCD, quadratic residues, sums of squares, much more. Numerous problems. Bibliography. 1977 edition.
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December 17, 2000: LeVeque covers certain topics in great detail, and others can be quite vague. One must have prior knowledge on modular aritmetic in order to get started with this text. The Euclidean Algorithm is explained from origins to applicability in nearly every single proof. LeVeque's best feature is in descripitons of Rings in modulus Z and their respecive domains and their respective theorems, congruences, etc. If you are weak in this area I recommend this text for that area of Number Theory.