Number Theory

This book is suitable to be a text for B.A./B.Sc. (Pass and Hons) and M.A./M.Sc. students of all Indian Universities and second and third year undergraduate students of the Universities of North America and Europe. An elementary course on Real Analysis or an advanced course in Calculus and elementary course in Modern Abstract Algebra for the book. We have included basic Set Theory and the concepts of abstract algebra in the appendices to make the book self contained.