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    Graduate Show that if p^e divides n then p-1 and p^(e-1) divide φ(n)

    hey guys been staring at this question for a few days and frustratingly nothing springs to mind. If any1 could offer some direction that would be awsome :) let n be a positive integer, and let p be a prime. Show that if e is a positive integer and p^e|n then p-1|∅(n) and p^(e-1)|∅(n)
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