EXERCISE - 3.5 1. Find the LCM of the following numbers by prime factorisation method. i. 12 and 15 ii. 15 and 25 iii. 14 and 21 ( please answer fast ) ( with picture) (step - by - step)
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(i) HCF=3, LCM=60 (ii) HCF=5, LCM=100 (iii) HCF=14, LCM=84 (iv) HCF=56, LCM=336 (v) HCF=3, LCM=420 (vi) HCF=10,LCM=60
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