This is a sample syllabus only. Ask your instructor for the official syllabus for your course.

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Divisibility, congruences, prime number theory, Diophantine equations and other selected topics from elementary number theory.

3 units credit.

MAT 271 with a grade of "C" or better.

Texts are chosen by the instructor. For example:

*Introduction to Number Theory*, by Peter Schumer.
PWS Publishing Company, 1995.

A schedule of class meetings, topics, assignments, due dates, exam dates, etc. will be provided by instructor. See your class syllabus.

Here is an example course outline, based on the above text.

- Chapter 1 - Background
- Chapter 2 - Congruences and Prime Factorization
- 2.1 The Euclidean Algorithm and Some Consequences
- 2.2 Congruence Equations and the Chinese Remainder Theorem
- 2.3 Primes and the Fundamental Theorem of Arithmetic
- 2.4 Introduction to Primality Testing and Factoring
- 2.5 Some Important Congruence Relations
- 2.6 general Polynomial Congruences: Hensel's Lemma

- Chapter 3 - Arithmetic Functions
- 3.1 Examples of Arithmetic Functions
- 3.2 Multiplicativity
- 3.3 Mobius Inversion and Some Consequences
- 3.4 Perfect Numbers and Amicable Pairs

- Chapter 4 - Primitive Roots and Quadratic
Reciprocity
- 4.1 primitive Roots
- 4.2 Quadratic and nth Power Residues
- 4.3 The Legendre Symbol and Gauss's Lemma
- 4.4 The Law of Quadratic Reciprocity and Extensions

- Chapter 5 - Sums of Squares
- 5.1 Fundamentals of Diophantine Equations
- 5.2 Sums of Two Squares

- Chapter 8 - Introduction to Analytic Number Theory
- 8.1 The Infinitude of Primes and the Zeta Function

The final exam is given at the date and time announced in the Schedule of Classes.

After completing MAT 447 the student should be able to solve simple problems, do simple proofs and state basic definitions and theorems involving:

- Divisibility, congruence and combinatorics
- The Euclidean Algorithm, the Chinese Remainder Theorem and properties of primes
- Important congruence relations, Fermat's Little Theorem, Lagrange's Theorem, Wilson's Theorem, etc.
- Important arithmetic functions, multiplicativity, Mobius Inversion
- Primitive roots and quadratic reciprocity
- Diophantine Equations and Fermat's Last Theorem

Most instructors encourage the use of machines, calculators computers, phones etc., for analyzing data. The use of machines may be restricted during examinations or at certain other times. Ask your instructor for the policy in your class.

Students are not expected to be programmers or to know any particular computer language before starting this class. Some instructors may expect students to be able to access information on the internet, or to use calculators, or to learn to use particular software with instruction. Basic skill in algebra and the use of mathematical symbols, order of operations etc., and the willingness to read and follow instruction manuals and help files will suffice.

Students' grades are based on homework, class participation, short tests, and scheduled examinations covering students' understanding of the topics covered in this course. The instructor determines the relative weights of these factors and the grading scale. See the syllabus for your particular class.

Classes meet on the dates and room announced in the official Schedule of Classes. This is a traditional, face-to-face class.

Attendance policy is set by the instructor.

Due dates and policy regarding make-up work and missed exams are set by the instructor. Instructors may, or may not, choose to offer extra credit assignments. If extra credit assignments are offered they will be available to all students.

The mathematics department does not tolerate cheating. Students who have questions or concerns about academic integrity should ask their professors or the counselors in the Student Development Office, or refer to the University Catalog for more information. (Look in the index under "academic integrity".)

Cal State Dominguez Hills adheres to all applicable federal, state, and local laws, regulations, and guidelines with respect to providing reasonable accommodations for students with temporary and permanent disabilities. If you have a disability that may adversely affect your work in this class, I encourage you to register with Disabled Student Services (DSS) and to talk with me about how we best can help you. All disclosures of disabilities will be kept strictly confidential. Please note: you must register with DSS to arrange an no accommodation. For information call (310) 243-3660 or send an email message to dss@csudh.edu or visit the DSS website http://www4.csudh.edu/dss/contact-us/index or visit their office WH D-180

We all are adults so behavior rarely is an issue. Just follow the Golden Rule: "do unto others as you would have them do unto you" then everything will be fine.

The university must maintain a classroom environment that is suitable for learning, so anyone who insists on disrupting that environment will be expelled from the class.

Revision history:

Prepared by C. Chang 3/9/00. Revised 7/7/01, 7/25/06, 1/10/15 (G. Jennings).