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Q.

Is it true that the L.C.M. of 108, 135, and 162 is 1620?


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a

True

b

False  

answer is A.

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Detailed Solution

We have been given the numbers 108, 135, and 162.
The prime factorization of 108, 135 and 162,
108=2×2×3×3×3
135=3×3×3×5
162=2×3×3×3×3
Calculating the LCM of 108, 135 and 162,
LCM =3×3×3×3×2×2×5   LCM =1620
So, the LCM of 108, 135, 162 is 1620.
Hence, option 1 is correct, and the given statement is true.
 
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Is it true that the L.C.M. of 108, 135, and 162 is 1620?