MATH A6400: Number Theory at City College
4 credits · Fall 2026
Number Theory (MATH A6400) at City College has 1 way to take it in Fall 2026. 1 of 1 section has an open seat right now.
The professor is: Brooke Feigon.
Compare them below, check the days and times, and add the course to your schedule.
About this course
A first course in algebraic number theory which assumes some abstract algebra. Topics include: unique factorization in the integers and Euclidean domains, structure of the groups Z/mZ and their multiplicative units, quadratic residues and quadratic reciprocity, algebraic number fields, finite fields.
Professors for MATH A6400 at City, Fall 2026
- Brooke FeigonChill Rank 2 of 5: Easy?
1 section · 1 open · ★ 4.4 (35) · difficulty 3.1/5 · 87% would take again
Ordered chillest first. A Chill Rank compares a professor with other CUNY professors on Rate My Professors difficulty, rating and would-take-again; it needs at least 3 ratings. How it works
MATH A6400 sections, times and seats
Seat status as of Oct 4, 6:40 PM ET. Seats can change between refreshes. How fresh is this?
Chill Rank compares professors using Rate My Professors reviews, from Chill to Brutal. What each rank means
Questions about MATH A6400 at City
- Who teaches MATH A6400 at City in Fall 2026?
- Brooke Feigon is listed for Fall 2026. Each name links to a page with their Chill Rank and Rate My Professors numbers.
- Is MATH A6400 at City hard?
- It depends on the professor. Across the 1 professor with a Chill Rank, students on Rate My Professors give an average difficulty of 3.1 out of 5. The Chill Rank above compares them directly.
- What if a MATH A6400 section is full?
- Try another section, join the waitlist in CUNYfirst if there is one, or ask the department. You can also watch a full section and get an email when a seat opens; you still enroll yourself in CUNYfirst.