Question 87
Find the HCF of $$2 \times 3^2 \times 5^2, 5 \times 3 \times 2^2 and 5^2 \times 3 \times 2^2$$
Solution
$$2 \times 3^2 \times 5^2$$
$$5 \times 3 \times 2^2$$
$$5^2 \times 3 \times 2^2$$
Common factor = $$2\times3\times5=30$$
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