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MATH 406 (Number Theory)


DESCRIPTION Integers, divisibility, prime numbers, unique factorization, congruences, quadratic reciprocity, Diophantine equations and arithmetic functions.
PREREQUISITES MATH 141
TOPICS The integers
    Divisibility
    Prime numbers
    Greatest common divisor
    Euclidean algorithm
    Unique factorization
Congruences
    Basic properties
    Modular arithmetic
    Euler's phi function
    Fermat's, Euler's and Wilson's theorems
    Chinese remainder theorem
Quadratic Reciprocity
    Quadratic residues
    Legendre and Jacobi symbols
    Law of quadratic reciprocity (possibility skip proof to allow time for other topics)
Additional Topics, (as time allows)
    Diophantine equations:  Pythagoras, Fermat, Pell
    Primitive roots: Lagrange's Theorem
    Primality testing
    Factoring
    RSA Algorithm
    Arithmetic functions, Moebius inversion formula, Mersenne primes

TEXT Text(s) typically used in this course.