Carmichael function
= Carmichael function
{c}
{wiki}
The Carmichael function $\lambda(n)$ is the exponent of $(\mathbb Z/n\mathbb Z)^\times$, equivalently the least positive $m$ such that every unit $a$ satisfies $a^m\equiv1\pmod n$.
= Carmichael function
{c}
{wiki}
The Carmichael function $\lambda(n)$ is the exponent of $(\mathbb Z/n\mathbb Z)^\times$, equivalently the least positive $m$ such that every unit $a$ satisfies $a^m\equiv1\pmod n$.