■ Fermat's Little Theorem | Modular arithmetic trick you need to know!

What's the remainder when 2^35 is divided by 17? What's the remainder when 4^532 is divided by 11? Answer these questions in mere seconds using my favourite modular arithmetic theorem - Fermat's Little Theorem! (Not to be confused with his last theorem..) Proofs of the theorem can be found here: https://en.wikipedia.org/wiki/Proofs_... 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...