Today's topic is number theory.  Our main problem set is
nt-exercises.pdf, some other files are listed below.

We won't meet next week because of the Thanksgiving break.  After
Thanksgiving, we could have one more meeting (Friday 12/6?) before the
Putnam exam itself on Saturday 12/7.

If you want something to do during the break, I recommend this IMC
training document, it has review material and practice problems:
    https://cs.emory.edu/~mic/putnam/general/IMC.pdf


Files in this directory:

nt-exercises.pdf
    Our number theory exercises, distributed by email before the meeting.

putnamnumb.pdf
    Reverse-chronological list of Putnam problems featuring number theory.
    From https://www.math.utoronto.ca/barbeau/putnamnumb.pdf

imc_seminar_feb04.pdf
    Basic number theory and practice problems, from an IMC practice seminar.
    From https://warwick.ac.uk/fac/sci/maths/research/events/seminars/areas/imc/imc_seminar_feb04.pdf

PutClub_F21_nt.pdf
    A nice problem set, we copied many of these for today.
    From https://wiki.math.wisc.edu/images/PutClub_F21_nt.pdf