# Modular Arithmetic

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## Modular Arithmetic[edit | edit source]

### Part 1[edit | edit source]

- What is a Modulus?
- Modular Arithmetic
- The Pigeonhole Principle
- Problem Solving with Modular Arithmetic
- Fermat's Little Theorem
- Euler's Theorem
- Lagrange's Theorem
- Wilson's Theorem
- Chinese Remainder Theorem
- Wolstenholme's Theorem
- Problem Solving 1

### Part 2[edit | edit source]

- Sophie Germain's Theorem
- Quadratic Residues
- Primitive Roots Modulo p
- Legendre's Symbol
- Quadratic Reciprocity
- Problem Solving 2

### For Enthusiasts[edit | edit source]

## Teacher's Notes[edit | edit source]

## Credits[edit | edit source]

- Thanks to High School Mathematics Extensions/Further Modular Arithmetic from which much of this material was adapted.
- Thanks to Wikipedia for original version of content on Quadratic reciprocity.