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Find the HCF and LCM of 72 and 120.

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Question

Find the HCF and LCM of 72 and 120.

Sum
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Solution

72 = 2 × 2 × 2 × 3 × 3

120 = 2 × 2 × 2 × 3 × 5

∴ HCF of 72 and 120 = 2 × 2 × 2 × 3 = 24

and LCM of 72 and 120 = 2 × 2 × 2 × 3 × 3 × 5 = 360

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2022-2023 (March) Standard - Outside Delhi Set 1

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