For courses in Elementary Number Theory for math majors, for mathematics education students, and for Computer Science students. This introductory undergraduate text is designed to entice a wide variety of majors into learning some mathematics, while teac

Table of Contents:
1. What Is Number Theory? 2. Pythagorean Triples 3. Pythagorean Triples and the Unit Circle 4. Sums of Higher Powers and Fermat’s Last Theorem 5. Divisibility and the Greatest Common Divisor 6. Linear Equations and the Greatest Common D