Question:
Find the square root of number by using the method of prime factorisation:
15876
Solution:
Resolving into prime factors:
$15876=2 \times 2 \times 3 \times 3 \times 3 \times 3 \times 7 \times 7$
$\therefore \sqrt{15876}=2 \times 3 \times 3 \times 7=126$
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