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by Underwood Dudley
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ISBN: 048646931X Dover Publications Price: $14.95 |
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Minimal prerequisites make this text ideal for a first course in number theory. Written in a lively, engaging style by the author of popular mathematics books, it features nearly 1,000 imaginative exercises and problems. Solutions to many of the problems are included, and a teacher's guide is available. 1978 edition.
Reprint of the W. H. Freeman and Company, San Francisco, second 1978 edition.
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Table of Contents for Elementary Number Theory: Second Edition
Preface Integers Unique Factorization Linear Diophantine Equations Congruences Linear Congruences Fermat's and Wilson's Theorems The Divisors of an Integer Perfect Numbers Euler's Theorem and Function Primitive Roots Quadratic Congruences Quadratic Reciprocity Numbers of Other Bases Duodecimals Decimals Pythagorean Triangles Infinite Descent and Fermat's Conjecture Sums of Two Squares Sums of Four Squares x(superscript 2) - Ny(superscript 2) = 1 Bounds for pi(x) Formulas for Primes Additional problems Proof by Induction Computer Problems Factor Table for Integers Less Than 10,000 References Answers to Selected Exercises Answers to Selected Odd-Numbered Problems Comments on Selected Odd-Numbered Problems Index