Thus, the LCM of 21, 35 and 42 is 7 * 3 * 5 * 2 = 210
THINK, DISCUSS AND WRITE
When will the LCM of two or more numbers be their own product?
EXERCISE - 3.5
Find the LCM of the following numbers by prime factorisation method.
i. 12 and 15
ii. 15 and 25
III. 14 and 21
iv. 18 and 27
v. 48, 56 and 72
vi. 26, 14 and 91.
Find the LCM of the following numbers by division method.
i. 84. 112. 196
ii. 102, 119, 153
iii. 45, 99, 132, 165
Find
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