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MATH 509/409 Elementary Number Theory

Prerequisites: Enrollment in the High School Track of the M.S.in Mathematics Education program or an undergraduate degree in mathematics or permission of the instructor. (First semester—odd years/3 credits) 

An introduction to the theory of numbers: divisibility, prime numbers, unique factorization, congruences, Euler’s phi-function, Fermat’s and Wilson’s theorems, multiplicative functions, quadratic reciprocity, perfect numbers and applications to Diophantine equations. Applications include public-key cryptography and integer arithmetic.