Description: Factorization and Primality Testing by David M. Bressoud Civilizations as separate as the Egyptians of ten thousand years ago and the Central American Mayans adopted a month of thirty days and a year of twelve months. At the other extreme are those integers with no smaller divisors other than 1, integers which might be called the indivisibles. FORMAT Hardcover LANGUAGE English CONDITION Brand New Publisher Description "About binomial theorems Im teeming with a lot of news, With many cheerful facts about the square on the hypotenuse. " - William S. Gilbert (The Pirates of Penzance, Act I) The question of divisibility is arguably the oldest problem in mathematics. Ancient peoples observed the cycles of nature: the day, the lunar month, and the year, and assumed that each divided evenly into the next. Civilizations as separate as the Egyptians of ten thousand years ago and the Central American Mayans adopted a month of thirty days and a year of twelve months. Even when the inaccuracy of a 360-day year became apparent, they preferred to retain it and add five intercalary days. The number 360 retains its psychological appeal today because it is divisible by many small integers. The technical term for such a number reflects this appeal. It is called a "smooth" number. At the other extreme are those integers with no smaller divisors other than 1, integers which might be called the indivisibles. The mystic qualities of numbers such as 7 and 13 derive in no small part from the fact that they are indivisibles. The ancient Greeks realized that every integer could be written uniquely as a product of indivisibles larger than 1, what we appropriately call prime numbers. To know the decomposition of an integer into a product of primes is to have a complete description of all of its divisors. Table of Contents 1 Unique Factorization and the Euclidean Algorithm.- 1.1 A theorem of Euclid and some of its consequences.- 1.2 The Fundamental Theorem of Arithmetic.- 1.3 The Euclidean Algorithm.- 1.4 The Euclidean Algorithm in practice.- 1.5 Continued fractions, a first glance.- 1.6 Exercises.- 2 Primes and Perfect Numbers.- 2.1 The Number of Primes.- 2.2 The Sieve of Eratosthenes.- 2.3 Trial Division.- 2.4 Perfect Numbers.- 2.5 Mersenne Primes.- 2.6 Exercises.- 3 Fermat, Euler, and Pseudoprimes.- 3.1 Fermats Observation.- 3.2 Pseudoprimes.- 3.3 Fast Exponentiation.- 3.4 A Theorem of Euler.- 3.5 Proof of Fermats Observation.- 3.6 Implications for Perfect Numbers.- 3.7 Exercises.- 4 The RSA Public Key Crypto-System.- 4.1 The Basic Idea.- 4.2 An Example.- 4.3 The Chinese Remainder Theorem.- 4.4 What if the Moduli are not Relatively Prime?.- 4.5 Properties of Eulers Ø Function.- Exercises.- 5 Factorization Techniques from Fermat to Today.- 5.1 Fermats Algorithm.- 5.2 Kraitchiks Improvement.- 5.3 Pollard Rho.- 5.4 Pollard p — 1.- 5.5 Some Musings.- 5.6 Exercises.- 6 Strong Pseudoprimes and Quadratic Residues.- 6.1 The Strong Pseudoprime Test.- 6.2 Refining Fermats Observation.- 6.3 No "Strong" Carmichael Numbers.- 6.4 Exercises.- 7 Quadratic Reciprocity.- 7.1 The Legendre Symbol.- 7.2 The Legendre symbol for small bases.- 7.3 Quadratic Reciprocity.- 7.4 The Jacobi Symbol.- 7.5 Computing the Legendre Symbol.- 7.6 Exercises.- 8 The Quadratic Sieve.- 8.1 Dixons Algorithm.- 8.2 Pomerances Improvement.- 8.3 Solving Quadratic Congruences.- 8.4 Sieving.- 8.5 Gaussian Elimination.- 8.6 Large Primes and Multiple Polynomials.- 8.7 Exercises.- 9 Primitive Roots and a Test for Primality.- 9.1 Orders and Primitive Roots.- 9.2 Properties of Primitive Roots.- 9.3Primitive Roots for Prime Moduli.- 9.4 A Test for Primality.- 9.5 More on Primality Testing.- 9.6 The Rest of Gauss Theorem.- 9.7 Exercises.- 10 Continued Fractions.- 10.1 Approximating the Square Root of 2.- 10.2 The Bháscara-Brouncker Algorithm.- 10.3 The Bháscara-Brouncker Algorithm Explained.- 10.4 Solutions Really Exist.- 10.5 Exercises.- 11 Continued Fractions Continued, Applications.- 11.1 CFRAC.- 11.2 Some Observations on the Bháscara-Brouncker Algorithm.- 11.3 Proofs of the Observations.- 11.4 Primality Testing with Continued Fractions.- 11.5 The Lucas-Lehmer Algorithm Explained.- 11.6 Exercises.- 12 Lucas Sequences.- 12.1 Basic Definitions.- 12.2 Divisibility Properties.- 12.3 Lucas Primality Test.- 12.4 Computing the Vs.- 12.5 Exercises.- 13 Groups and Elliptic Curves.- 13.1 Groups.- 13.2 A General Approach to Primality Tests.- 13.3 A General Approach to Factorization.- 13.4 Elliptic Curves.- 13.5 Elliptic Curves Modulo p.- 13.6 Exercises.- 14 Applications of Elliptic Curves.- 14.1 Computation on Elliptic Curves.- 14.2 Factorization with Elliptic Curves.- 14.3 Primality Testing.- 14.4 Quadratic Forms.- 14.5 The Power Residue Symbol.- 14.6 Exercises.- The Primes Below 5000. Long Description "About binomial theorems Im teeming with a lot of news, With many cheerful facts about the square on the hypotenuse. " - William S. Gilbert (The Pirates of Penzance, Act I) The question of divisibility is arguably the oldest problem in mathematics. Ancient peoples observed the cycles of nature: the day, the lunar month, and the year, and assumed that each divided evenly into the next. Civilizations as separate as the Egyptians of ten thousand years ago and the Central American Mayans adopted a month of thirty days and a year of twelve months. Even when the inaccuracy of a 360-day year became apparent, they preferred to retain it and add five intercalary days. The number 360 retains its psychological appeal today because it is divisible by many small integers. The technical term for such a number reflects this appeal. It is called a "smooth" number. At the other extreme are those integers with no smaller divisors other than 1, integers which might be called the indivisibles. The mystic qualities of numbers such as 7 and 13 derive in no small part from the fact that they are indivisibles. The ancient Greeks realized that every integer could be written uniquely as a product of indivisibles larger than 1, what we appropriately call prime numbers. To know the decomposition of an integer into a product of primes is to have a complete description of all of its divisors. Details ISBN0387970401 Author David M. Bressoud Short Title FACTORIZATION & PRIMALITY TEST Language English ISBN-10 0387970401 ISBN-13 9780387970400 Media Book Format Hardcover Year 1989 Imprint Springer-Verlag New York Inc. Place of Publication New York, NY Country of Publication United States Birth 1950 Pages 240 DOI 10.1007/b39344;10.1007/978-1-4612-4544-5 AU Release Date 1989-10-02 NZ Release Date 1989-10-02 US Release Date 1989-10-02 UK Release Date 1989-10-02 Publisher Springer-Verlag New York Inc. Edition Description 1989 ed. Series Undergraduate Texts in Mathematics Edition 1989th Publication Date 1989-10-02 Alternative 9781461288718 DEWEY 512.74 Illustrations XIV, 240 p. Audience Undergraduate We've got this At The Nile, if you're looking for it, we've got it. With fast shipping, low prices, friendly service and well over a million items - you're bound to find what you want, at a price you'll love! TheNile_Item_ID:96228585;
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ISBN-13: 9780387970400
Book Title: Factorization and Primality Testing
Number of Pages: 240 Pages
Language: English
Publication Name: Factorization and Primality Testing
Publisher: Springer-Verlag New York Inc.
Publication Year: 1989
Subject: Mathematics
Item Height: 234 mm
Item Weight: 1200 g
Type: Textbook
Author: David M. Bressoud
Item Width: 156 mm
Format: Hardcover
