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Results tagged with growth-rate
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user 3402
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Is the number of solutions of $\phi(x)=n!$ bounded? If yes, what is its bound?
Here is a simpler bound, based on the comment of R. van Dobben de Bruyn.
Let a solution of the equation be broken into two parts, c and d, where c is the n-smooth part of the solution, and is coprime …
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