Use prime factorization method12 = 2× 2× 3 = 2^2× 30ex0ex18 = 3× 3× 2 = 3^2× 20ex0ex20 = 2× 2× 5 = 2^2× 5LCM of 12, 18, 20 can be calculated by multiplying the ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VI

Mathematics

Comparing Fractions using LCM

LCM of 12, 18...

Question

LCM of $12, 18, 20$

Open in App

Solution

Use prime factorization method
$12 = 2 \times 2 \times 3 = 2^{2} \times 3 18 = 3 \times 3 \times 2 = 3^{2} \times 2 20 = 2 \times 2 \times 5 = 2^{2} \times 5$
LCM of $12, 18, 20$ can be calculated by multiplying the highest power of the prime numbers.
$\Rightarrow$ LCM of $12, 18, 20$ $=$ $2^{2} \times 3^{2} \times 5 = 180$
Therefore, LCM of $12, 18, 20$ is $180$ .

Suggest Corrections

Similar questions

Use the prime factorisation method to find the LCM of the following groups of numbers:

$6, 12 a n d 18$

Q. LCM of 12 and 18 is

Q. Find LCM of

12, 18

and

24

Find the LCM of 12, 15 and 18 using prime factorisation method.

Q. The HCF and the LCM of 18 and 12 are and respectively.

Join BYJU'S Learning Program

LCM of 12,18,20

Use prime factorization method12=2×2×3=22×318=3×3×2=32×220=2×2×5=22×5LCM of 12,18,20 can be calculated by multiplying the highest power of the prime numbers.⇒LCM of 12,18,20 = 22×32×5=180Therefore, LCM of 12,18,20 is 180.

LCM of $12, 18, 20$