Question: Using the formula for (n) in terms of the factorization of n, as given in Eq. (1), compute the indicated value: a. (60) b. (l000)

Using the formula for φ(n) in terms of the factorization of n, as given in Eq. (1), compute the indicated value:
a. φ(60) 

b. φ(l000) 

c. φ(8100)

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