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Intermediate Number Theory

Number theory using algebraic techniques, multiplicative functions, Diophantine equations, modular arithmetic, Fermat's/Euler's Theorem, primitive roots, and quadratic residues. Much of the first half of the class emphasizes using the basic tools of the Introduction class in clever ways to solve difficult problems. In the second half, more theory will be developed, leading students to the beginning Olympiad level.

This course is University of California a-g approved. Click here for more details.

12 weeks

Diagnostics

ARE YOU READY? DO YOU NEED THIS?

Documents

SYLLABUS
12 weeks ARE YOU READY? DO YOU NEED THIS?  

Schedule

Friday
Jun 9 - Aug 25
7:30 - 9:00
PM ET
Jun 9 - Aug 25
7:30 - 9:00 PM Eastern
6:30 - 8:00 PM Central
5:30 - 7:00 PM Mountain
4:30 - 6:00 PM Pacific
Click here to see more time zones
$295
$295
WAITLIST
Wednesday
Jun 28 - Sep 13
7:30 - 9:00
PM ET
Jun 28 - Sep 13
7:30 - 9:00 PM Eastern
6:30 - 8:00 PM Central
5:30 - 7:00 PM Mountain
4:30 - 6:00 PM Pacific
Click here to see more time zones
$295
$295
ENROLL
Tuesday
Jul 18 - Oct 3
7:30 - 9:00
PM ET
Jul 18 - Oct 3
7:30 - 9:00 PM Eastern
6:30 - 8:00 PM Central
5:30 - 7:00 PM Mountain
4:30 - 6:00 PM Pacific
Click here to see more time zones
$295
$295
ENROLL

AoPS Holidays

There are no classes May 29, July 4, September 4, November 18 - 26, and December 21 - January 3.

Who Should Take?

Students should have a complete understanding of modular arithmetic, and a mastery of algebra through our Intermediate Algebra class (or a typical honors Algebra 2 class and some Precalculus) before taking this class.

Lessons

Lesson 1 Introduction
Lesson 2 Bases
Lesson 3 Divisibility
Lesson 4 Divisors and Multiplicative Functions
Lesson 5 Prime Factorizations
Lesson 6 Algebra in Modular Arithmetic
Lesson 7 Linear Diophantine Equations
Lesson 8 Perfect Squares
Lesson 9 Fermat's Little Theorem and Euler's Theorem
Lesson 10 Orders and Primitive Roots
Lesson 11 Quadratic Residues and Squares
Lesson 12 Sums of Two Squares

This class was amazing! It was definitely one of the most interesting math classes I've ever taken. It was actually challenging (and I like a challenge). The problems in general did get harder as the course continued which I liked a lot since it really does help you become a better problem solver. I learned so much and much more than just theory. This class was always fun and challenging and it definitely builds confidence for attacking harder problems. I'm so glad I took this class. AoPS, I love you guys. You're awesome!

ACS WASC
ACCREDITED
SCHOOL

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