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Lecture 10: Modular Arithmetic
Description
MIT 18.200 Principles of Discrete Applied Mathematics, Spring 2024
Instructor: Ankur Moitra
View the complete course: https://ocw.mit.edu/courses/18-200-principles-of-discrete-applied-mathematics-spring-2024
YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61p2fXeXjNCrfNHFwyW-bl0
Uploaded 17-12-25
We introduce modular arithmetic. We then discuss inverses mod m. We give the Euclidean algorithm for finding the GCD (greatest common divisor) and use the extended Euclidean algorithm to find inverses. Finally, we cover the Chinese Remainder Theorem.
License: Creative Commons BY-NC-SA
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