Question

Find the LCM of 18,36,27​

Answer 1

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Answer 2

LCM of 18 , 36 , 27 is 108

Given :

The numbers 18 , 36 , 27

To find :

LCM of 18 , 36 , 27

Concept :

LCM :

For the given two or more numbers LCM is the least number which is exactly divisible by each of the given numbers

Solution :

Step 1 of 3 :

Write down the given numbers

Here the given numbers are 18 , 36 , 27

Step 2 of 3 :

Prime factorise the numbers

18 = 2 × 3 × 3

36 = 2 × 2 × 3 × 3

27 = 3 × 3 × 3

Step 3 of 3 :

Find the LCM

We know that for the given two or more numbers LCM is the least number which is exactly divisible by each of the given numbers

Hence the required LCM

= 2 × 2 × 3 × 3 × 3

= 108

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