Exercise 2.1.10 (Some values of $\phi(m)$)

Question

Evaluate $\phi(m)$ for $m=1,2,3,\ldots,12$

Richard Ganaye · Accepted Answer

\begin{proof} 
$$
\begin{array}{c|cccccccccccc}
	m		& 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 & 12\
\phi(m)   		& 1 &1& 2& 2& 4& 2& 6& 4& 6& 4& 10& 4
\end{array}
$$
Sage:
\begin{verbatim}
[euler_phi(m) for m in range(1,13)]
[1, 1, 2, 2, 4, 2, 6, 4, 6, 4, 10, 4]
\end{verbatim}

Exercise 2.1.10 (Some values of $\phi(m)$)

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Exercise 2.1.10 (Some values of $\phi(m)$)

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