Expressions of the Smarandache Coprime Function

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Expressions of the Smarandache Coprime Function Sebastian Martin Ruiz, Avda de RegIa, 43 Chipiona, 11550 Cadiz, Spain

Smarandache Coprime Function is defined this way:

_{ 0 if C k (nl,n2,···,nk ) 1

nl,n2,···,nkarecoprimenumbers otherwise

\Ye see two expressions of the Smarandache Coprime Function for k=2. EXPRESSION 1:

C( 2 nl,

n2 )

=-

E[

nln2-tcm(nl,n2)] nln2

E( x) = the biggest integer number smaller or equal than x. If nl, n2 are coprime numbers:

If nl, n2 aren't coprime numbers:

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