14822Re: [PrimeNumbers] Prime formula...
- May 3, 2004
> phi( (p^2) ) = [phi(p)]^2 + phi(p) iff "p" is prime,phi(n^2)=n*phi(n), for any n. so boils down to showing
> and phi(...) is the totient function.
> Or is this equation already known? Bill.
that phi(n)=n-1 iff n is prime. which is easily known.
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