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What is the Euler totient function and how to calculate it? | Number Theory Intro! #numbers #maths
We give a simple example calculating the Euler totient function of the number 100 to introduce the Euler totient function to beginners. The Euler totient function phi(n) counts the number of integers between 1 and n (inclusive) that are relatively prime to n. The key ingredient in calculating phi(n) is the prime factorization of n. We ...
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