Intro to Chinese Remainder Theorem and Euler's Totient Theorem via a Challenging Problem
- Published on Nov 29, 2018
- Let's acquaint ourselves with two of the most important theorems in elementary number theory (and competition math like AMC/AIME) by solving an interesting problem. The only prerequisite is the basic knowledge of modular arithmetic (what it is, how it behaves under addition/multiplication, some intuition on number theory).
Congratulations to Essentials of Math, Gustavo Exel, Devansh Sehta, Minh Cong Nguyen, Prathmesh, Eliot Argüello, Jack Miller, NoName, Daulian Doge, and Benjamin Wang for successfully solving this challenge question! Essentials of Math was the first person to solve the question.
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