# Symbols:Number Theory/Divides

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## 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`

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The symbol $\mid$ has been (or is in the process of being) superseded by $\divides$, which is becoming increasingly popular since many mathematicians are of the opinion that $\mid$ is overused, and hence a possible cause for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

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## Also see

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