Problem 656. Calculate Euler's phi function
Compute the Euler's phi function of a large integer.
For more information about this topic please visit: Euler's totient function.
With these constraints:
- n is a nonnegative integer greater than 0.
- "large integer" means 32bit integer
- vectorized Input
Examples:
- eulerphi(4) = 2
- eulerphi(11) = 10
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2 Comments
Ben Ausdenmoore
on 4 May 2012
I'm pretty sure eulerphi(1) is 1. Mind checking that please! I'm just going off the table given through your link there.
Freddy
on 4 May 2012
It is corrected. Thanks for your help!
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