Question

6. Use the prime factorisation method to find the LCM of the following groups
of numbers :
(i) 4, 8 and 16 (ii) 6, 12 and 18 (iii) 12, 16 and 20 (iv) 24 and 36
(v) 12 and 15 (vi) 3, 4 and 5
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Answer 1

Answer:

1. LCM of 4,8,16 =16
2. LCM of 6,12,18= 36
3. LCM of 12, 16 ,20 = 240
4. LCM of 24 and 36 =60
5. LCM of 12 and 15 =60
6. LCM of 3 4 and 5 =60