"The Joy of Factoring" by Samuel S. Wagstaff, Jr.
American Mathematical Society. Student Mathematical Library, volume 68
AMS | 2013 | ISBN: 1470410486 1470414139 9781470414139 9781470410483 | 312 pages | PDF | 14 MB
This book is about the theory and practice of integer factorization presented in a historic perspective. It describes about twenty algorithms for factoring and a dozen other number theory algorithms that support the factoring algorithms. This book is written for readers who want to learn more about the best methods of factoring integers, many reasons for factoring, and some history of this fascinating subject.