Question

LCM of 9,18,81 all together LCM ​

Answer 1

Answer:

Division Table :

2 |9 ,18 ,81

3 |9 ,9 ,81

3 |3 ,3 ,27

3 |1 ,1 ,9

3 |1 ,1 ,3

1 |1 ,1

Find the product of the prime numbers in the first column to get the LCM:

LCM = 2 x 3 x 3 x 3 x 3

LCM = 162  

Therefore,

LCM(9, 18, 81) = 162

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Answer 2

2_9,18,81

3_9,9,81

3_3,3,27

3_1,1,9

3_1,1,3

_1,1,1