In the modern age of almost universal computer usage, practically every individual in a technologically developed society has routine access to the most up-to-date cryptographic technology that exists, the so-called RSA public-key cryptosystem. A major component of this system is the factorization of large numbers into their primes. Thus an ancient number-theory concept now plays a crucial role in communication among millions of people who may have little or no knowledge of even elementary mathematics. The independent structure of each chapter of the book makes it highly readable for a wide variety of mathematicians, students of applied number theory, and others interested in both study and research in number theory and cryptography.
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"Here is an outstanding technical monograph on recursive number theory and its numerous automated techniques. It successfully passes a critical milestone not allowed to many books, viz., a second edition. Many good things have happened to computational number theory during the ten years since the first edition appeared and the author includes their highlights in great depth. Several major sections have been rewritten and totally new sections have been added. The new material includes advances on applications of the elliptic curve method, uses of the number field sieve, and two new appendices on the basics of higher algebraic number fields and elliptic curves. Further, the table of prime factors of Fermat numbers has been significantly up-dated. ...Several other tables have been added so as to provide data to look for large prime factors of certain 'generalized' Fermat numbers, while several other tables on special numbers were simply deleted in the second edition. Still one can make several perplexing assertions or challenges: (1) prove that F\sb 5, F\sb 6, F\sb 7, F\sb 8 are the only four consecutive Fermat numbers which are bi-composite; (2) Show that F\sb{14} is bi- composite. (This accounts for the difficulty in finding a prime factor for it.) (3) What is the smallest Fermat quadri-composite?; and (4) Does there exist a Fermat number with an arbitrarily prescribed number of prime factors? All in all, this handy volume continues to be an attractive combination of number-theoretic precision, practicality, and theory with a rich blend of computer science." –Zentralblatt Math
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Seller: Chequamegon Books, Washburn, WI, U.S.A.
hardcover. Condition: very good. no jacket. 1st edition. hardcover, 464 pages, 6 chapters, 14 appendices & 2 pages of notations. "This book is distinguished by the fact that its methods and results are more recent than those found in other source books, and by its emphasis on practical computer programs, including actual program listings. Part of the series Progress in Mathematics. edited by J. Coates and S. Helgason. ex college library. stamped on page edges, name inked out on first page. pocket sticker on last page, pocket and sticker on inside rear cover. Seller Inventory # 136674
Seller: BooXX in Stock, Dekalb, IL, U.S.A.
Hardcover. Condition: As New. 1st Edition. 463 pages unused, clean, new; green hard covers; with author sticker (RBlecksmith) and penciled in price; I ship globally, and daily at 0900 CT IL UA; Seller Inventory # 004187
Seller: Affordable Collectibles, Columbia, MO, U.S.A.
Hardcover. Condition: Good. X_Library copy with light wear present. I found no text marks. Good clean used book. Seller Inventory # 26070242
Seller: Cotswold Internet Books, Cheltenham, United Kingdom
Condition: Used - Good. Ex lib hardback. First edition. Progress in Mathematics vol.57, in laminated boards. Ex university library - stamps, barcode etc.; text clean; binding tight; owner's name on front free end paper; small crack in spine front joint Used - Good. Ex lib hardback. Seller Inventory # BOOKS343529I
Quantity: 1 available
Seller: BUCHSERVICE / ANTIQUARIAT Lars Lutzer, Wahlstedt, Germany
Hardcover. Condition: gut. 1985. Prime Numbers and Computer Methods for Factorization In englischer Sprache. pages. Seller Inventory # BN634079
Quantity: 1 available