Art of Problem Solving
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2007 iTest Problems/Problem 14: Revision history

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4 February 2023

10 January 2019

4 October 2014

  • curprev 22:0722:07, 4 October 2014 Timneh talk contribs 526 bytes +526 Created page with "== Problem == Let <math>\phi(n)</math> be the number of positive integers <math>k< n</math> which are relatively prime to <math>n</math>. For how many distinct values of <math>n..."