Question

euler theorum with explanation with example​

Answer 1

Step-by-step explanation:

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The Euler's totient function, or phi (φ) function is a very important number theoretic function having a deep relationship to prime numbers and the so-called order of integers. The totient φ(n) of a positive integer n greater than 1 is defined to be the number of positive integers less than n that are coprime to n. φ(1) is defined to be 1.

Example -

9 = 32, φ(9) = 9* (1-1/3) = 6

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