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

11-04-25 The notes for Lecture 15 have been posted.

10-30-25Problem Set 7 has been extended to Monday, November 3 (by midnight). Happy Halloween!

10-30-25 The notes for Lecture 14 have been posted.

10-28-25 The notes for Lecture 13 have been posted.

10-25-25Problem Set 7 has been updated so that Problem 1 has 9 parts (a)-(i) and Problem 2 asks you to solve a 33 point problem from Problem Set 6 that you didn't already solve (the previous problem 2 was removed because it requires material we have not covered yet).

10-25-25Problem Set 7 has been posted. It is due Friday, October 31 (by midnight).

10-23-25 The notes for Lecture 12 have been posted.