Find the Possible Factors -21

$- 21$

Step 1

The factors for $- 21$ are all numbers between $- 21$ and $21$ , which divide $- 21$ evenly.

Check numbers between $- 21$ and $21$

Step 2

Find the factor pairs of $- 21$ where $x \cdot y = - 21$ .

$\begin{array}{c} x & y \\ 1 & - 21 \\ 3 & - 7 \\ 7 & - 3 \\ 21 & - 1 \end{array}$

Step 3

List the factors for $- 21$ .

$- 21, - 7, - 3, - 1, 1, 3, 7, 21$