Question:
Find the square root of number by using the method of prime factorisation:
17424
Solution:
Resolving into prime factors:
$17424=2 \times 2 \times 2 \times 2 \times 3 \times 3 \times 11 \times 11$
$\therefore \sqrt{17424}=2 \times 2 \times 3 \times 11=132$
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