Question

What is the square root of $361$?

Answer 1

Determine the square root of $361$.

The square root of a number is the value that returns the original number when multiplied by itself.

Find the prime factors of $361$:

$361=19\times 19$

Take square root from both sides of the above equation:

$$\begin{gathered} \sqrt{361}=\sqrt{19\times 19} \\ \Rightarrow \sqrt{361}=19 \end{gathered}$$

Hence, the square root of $361$is$19$.