## Elementary Number Theory and Its ApplicationsNew edition of a standard text. Integrates classical material with applications to cryptography and computer science. The author is with AT&T Bell Labs. Annotation copyright Book News, Inc. Portland, Or. |

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affine transformation algorithm assume base base b expansion block called cipher ciphertext composite Computations and Explorations conclude congruence Consequently consider contradiction convergent decimal deciphering defined definition described determine digits diophantine equation divides divisible enciphering equal exactly Example Exercise expressed factorization Fermat four function given gives Hence illustrate implies infinitely integer n inverse least positive Lemma length less letters linear method modulo multiplicative obtain odd prime pairs perfect period positive integer prime factorization primitive root programs Projects Proof properties prove pseudoprime Pythagorean triple quadratic irrational real number relatively prime remainder residue result root modulo sequence Show simple continued fraction solutions solve squares step Suppose tells Theorem theory Write written اب به ہے