Ben Gurion University of the Negev

Department of Mathematics


Course number: 201-16031; Spring Semester 2016

Homer Simpson's counterexample to FLT

Instructor: Prof. Ido Efrat

Time and place:

Sunday 11-13, Building 28, Room 301
Wednesday 9-11, Building 34, Room 2

Grading policy:

There will be a final exam. Its grade will be the grade of the course.


Exercise 1 (Solution of problem 6)
Exercise 2
Exercise 3
Exercise 4 (Solution of problem 5)
Exercise 5 + encoded telegram
Exercise 6
Exercise 7
Exercise 8

Course plan:

  1. Divisibility and prime numbers

  2. Congruences

  3. The multiplicative group of Z/m

  4. Quadratic residues

  5. Continued fractions

  6. Algebraic numbers and algebraic integers (as time allows)

Recommanded Bibliography:

Some related links:

The prime pages
Fermat's last theorem
A Babylonian list of Pythagorean triples (approx. 1800 BC)
The Greatest Internet Mersenne Prime Search GIMPS
A biographies of Euclid and Fermat
Euclid's "Elements" (D. Joyce)

To the Mathematics Department's home page