Spring 2021

Number Theory

Listed in: Mathematics and Statistics, as MATH-250

Formerly listed as: MATH-24


Gregory S. Call (Section 01)


An introduction to the theory of rational integers; divisibility, the unique factorization theorem; congruences, quadratic residues. Selections from the following topics: cryptology; Diophantine equations; asymptotic prime number estimates; continued fractions; algebraic integers. Four class hours per week. Offered in alternate years.

In a typical week, two synchronous class meetings will be held, two asynchronous lectures will be posted, and ample office hours will be held to facilitate small group exchange and answer individual questions. 

Requisite: MATH 121 or consent of the instructor. Limited to 25 students. Spring semester. Professor Call. 

If Overenrolled: Priority to pre-registered students, math majors, and juniors and seniors.


Online Only, Quantitative Reasoning


2022-23: Not offered
Other years: Offered in Fall 2010, Spring 2017, Spring 2018, Spring 2019, Spring 2020, Spring 2021, Fall 2021