How do you simplify  sqrt961?

Feb 4, 2016

$\sqrt{961} = \sqrt{{31}^{2}} = 31$

Explanation:

Factor the number under the square root. For a large number like this one you need to test all the prime numbers until you reach the square root or the nearest number to it.

In this case $961 = {31}^{2}$
$31$ is a prime number so there are no other simplifications

$\sqrt{961} = \sqrt{{31}^{2}} = 31$