Uploaded September 2020 | Updated September 2026, 1 week ago

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Proof that all powers of primitive roots are incongruent: youtu.be/TfZ9nPfOhQ0

The index of a number relative to a primitive root mod p is useful when considering things like quadratic residues. Here we define the idea of an index and give some basic properties and examples.

Quadratic Residues playlist: youtube.com/playlist?list=PLug5ZIRrShJGJieICD2KnqU9cRioaEBjB

0:00 Definition
1:04 log notation
2:17 Index of a product
4:51 Index of a power
5:57 Examples

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Music: OcularNebula - The Lopez