Modulus in modular arithmetic
= Modulus in modular arithmetic
{title2=$m$}
= Integer modulus
{synonym}
= Integer moduli
{synonym}
The positive <integer> $m$ in $a\equiv b\pmod m$ is the modulus. It specifies which differences are ignored: exactly the <integer> multiples of $m$. It is distinct from the <modulus of a complex number>, which measures magnitude.