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Question
Find the LCM set of numbers using prime factorisation method.
30, 40, 60
Solution
30, 40, 60
30 = 3 × 2 × 5
40 = 2 × 2 × 2 × 5
60 = 2 × 3 × 2 × 5
Product of highest powers of the common factors = 3 × 23 × 5 = 120
LCM (30, 40, 60) = 120
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