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Question
Find the LCM set of numbers using prime factorisation method.
10, 15
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Solution
10, 15
10 = 2 × 5
15 = 3 × 5
Product of common factors = 5
Product of other factors = 2 × 3 = 6
LCM (10, 15) = Product of common factors × Product of other factors
= 5 × 6
= 30
LCM (10, 15) = 30
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