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A colllection of my project Euler solutions. Problem Archives can be found

*here.* Problem description

The arithmetic derivative is defined by

- for any prime

- for all integers (Leibniz rule)

For example, . Find for .

Note: denotes the greatest common divisor of and .

Mathematical Derivation

Let and multiplicative function). Then,

Algorithm

**Author:**VernonWu**URL:**https://vernonwu.com/article/solveuler/484**Copyright:**All articles in this blog, except for special statements, adopt BY-NC-SA agreement. Please indicate the source!

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