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Question
Find the LCM set of numbers using prime factorisation method.
15, 25, 75
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Solution
15, 25, 75
15 = 5 × 3
25 = 5 × 5
75 = 5 × 5 × 3
Product of the highest powers of the common factors = 3 × 52
= 3 × 25 = 75
LCM (15, 25, 75) = 75
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