MTH 346
  Number Theory  

Fall 2025 - PSU Campus

Syllabus,   Calendar,   Discussion Group,   Canvas

Section
(topics)
By
(date)
Read
(chapter)
Practice
(discuss)
Homework
(submit)
Part 1

Induction

and

Divisibility

9/29
10/1
10/3
  §1.1 Induction (guide)
  §1.2 Binomial Theorem (guide)
  §2.1 Early Number Theory (guide)
Practice 1
solutions
HW 1
Due 10/8
10/6
10/8
10/10
  §2.2 Division Algorithm (guide)
  §2.3 Greatest Common Divisor (guide)
  §2.4 Euclid's Algorithm (guide)
Practice 2
solutions
HW 2
Due 10/15
10/13
10/15
10/17
  §2.5 Diophantus' Equations
  §3.1 Prime Factorization
  §3.2 Eratosthenes' Sieve
Exam One   Weds  
  Oct 22  

Emphasizes HW 1,2,3* (optional)
Part 2

Primes

and

Congruences


 
10/24
10/27
10/29
  §3.3 Goldbach's Conjecture
  §4.2 Basic Congruences
  §4.3 Decimal Representations
11/3
11/5
11/7
  §4.4 Sun-zi's Remainder Theorem
  §5.2 Fermat's Little Theorem
  §5.3 Wilson's Theorem
11/10
11/12
11/14
  §5.4 Fermat's Factorizations
  §6.1 Sigma and Tau Functions
  §7.2 Euler's Phi Function
Exam Two   Weds  
  Nov 19  

Emphasizes HW 4,5,6* (optional)
Part 3

Special

Numbers

11/21
11/24
  §7.3 Euler's Theorem
  §8.1 Orders of Integers (mod n)
11/26
12/3
  §8.2 Primitive Roots
  §11.2 Perfect Numbers
  Exam Three     Weds  
  Dec 10  

10:15-12:05 - Cumulative



Back to my home page.