18.785 - Number Theory I


Lecturer: Andrew Sutherland

Email: drew@math.mit.edu

Time and Place: TR 11:00-12:30, 2-139

Office Hours: R 14:30-16:30 (2-341B)
        F 9:30-11:30 (2-255)


COURSE DESCRIPTION

This is the first semester of a graduate course in number theory; see the syllabus for details. The lecture notes from 2021 can be found here. We will follow a similar path, but there will be some significant changes.

Corequisite: 18.705 (Commutative Algebra).


RECENT UPDATES

11-27-25Problem Set 11 has been posted. It is due Friday, December 5 (by midnight). On this problem set you can optionally solve 200 points worth of problems to obtain scores for two problem sets, one of which can be used to replace a score on an earlier problem set.

11-25-25 I will hold extra office hours today (Nov 25) from 1:30 to 3.

11-25-25 The notes for Lecture 19 have been posted.

11-22-24 Parts (b) and (f) of Problem 4 on Problem Set 5 have been updated to correct several typos.

11-19-25 The notes for Lecture 18 have been posted.