Question
Find the square root of $529$ by the Prime Factorisation Method.
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Answer
The prime factorisation of $529$ is
$529 = 23$ $\times $ $23$
By pairing the prime factors, we get
$529 = 23$ $\times $ $23$
So, $\sqrt {529} $ $= 23$
$529 = 23$ $\times $ $23$
By pairing the prime factors, we get
$529 = 23$ $\times $ $23$
So, $\sqrt {529} $ $= 23$
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