# Symbols:Number Theory/Divides

## Divisor

$x \divides y$

This means:

$x$ is a divisor (or factor) of $y$

or:

$x$ divides $y$.

The $\LaTeX$ code for $x \divides y$ is x \divides y .

## Deprecated Symbols

### Divisor

$x \mid y$

This means $x$ is a divisor of $y$.

The symbol $\mid$ has been (or is in the process of being) superseded by $\divides$, which is becoming increasingly popular since many mathematicians are of the opinion that $\mid$ is overused, and hence a possible cause for confusion.

The $\LaTeX$ code for $\mid$ is \mid .

## Also see

See Set Theory: Set Difference for an alternative definitions of this symbol.