Proof that the Totient Function is Multiplicative @MuPrimeMath
Proof that the Totient Function is Multiplicative @MuPrimeMath
Uploaded August 2020 | Updated September 2026, 1 week ago
Coprime numbers mod n: youtu.be/SslPWR2N5jA

Chinese remainder theorem: youtube.com/playlist?list=PL22w63XsKjqyg3TEfDGsWoMQgWMUMjYhl

Surjection and bijection: youtu.be/kt5eABzTVGQ

Explanation of why Euler's totient function of a product of coprime numbers is equal to the product of the totients of those relatively prime numbers. Understanding the relationship between those two totients is awesome!

Modular Arithmetic playlist: youtube.com/playlist?list=PLug5ZIRrShJHPX-OyMNLLCQfKXchdZKpE

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Music: OcularNebula - The Lopez
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Proof that the Totient Function is Multiplicative

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