Question:
Find the square root of number by using the method of prime factorisation:
7056
Solution:
Resolving into prime factors:
$7056=2 \times 2 \times 2 \times 2 \times 3 \times 3 \times 7 \times 7$
$\therefore \sqrt{7056}=2 \times 2 \times 3 \times 7=84$
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