■ Fermat-Euler Theorem & Euler's totient function | Modular Arithmetic trick!
Get even speedier at answering tricky remainder and modular arithmetic questions using the Fermat-Euler theorem! This theorem (also known as Euler's theorem and Euler's totient theorem) gives yet another way ot speeding up multiplication in different modulos. This is an extension of Fermat's Little Theorem that can be applied to more cases. As part of this video we go over Euler's totient function and examples of calculating it for different values of n. Introduction to modular arithmetic video (Watch this first!): • ■ What is Modular Arithmetic? | An introdu... Find the rest of the videos in this intro to modular arithmetic mini-series here: • ► Modular Arithmetic mini series! ------------ Subscribe to my youtube channel: https://youtube.com/mathsunboxed?sub_... Follow me on instagram: / maths_unboxed Check out my Etsy store: https://www.etsy.com/uk/shop/Curiosit...
■ What is Modular Arithmetic? | An introduction to the strange world of mathematical time-telling
■ Fermat's Little Theorem | Modular arithmetic trick you need to know!
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