Question

2. Determine the LCM of each of the following:
(iv) 81, 126, 135, 252.​

Answer 1

SOLUTION

TO DETERMINE

The LCM of 81, 126, 135, 252

EVALUATION

Here the given numbers are 81, 126, 135, 252

$\sf{81 = 3 \times 3 \times 3 \times 3}$

$\sf{126 =2 \times 3 \times 3 \times 7}$

$\sf{135 = 3 \times 3 \times 3 \times 5}$

$\sf{252 = 2 \times 2 \times 3 \times 3 \times 7}$

Hence the required LCM

$\sf{ = 2 \times 2 \times 3 \times 3 \times 3 \times 3 \times 5 \times 7}$

$\sf{ = 11340}$

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