LCM of 36 and 54

LCM of 36 and 54 is 108. The common multiples of the numbers 36 and 48 which are divisible evenly by the given numbers is the LCM. LCM of 36 and 54 is the smallest number among all common multiples of 36 and 54. The first few multiples of 36 and 54 are (36, 72, 108, 144, 180, 216, . . . ) and (54, 108, 162, 216, 270, 324, . . . ) respectively. You can make use of methods such as division, prime factorisation and listing of multiples to obtain the LCM.

What is LCM of 36 and 54?

The answer to this question is 108. The LCM of 36 and 54 using various methods is shown in this article for your reference. The LCM of two non-zero integers, 36 and 54, is the smallest positive integer 108 which is divisible by both 36 and 54 with no remainder.

lcm of 36 and 54

Also read: Least common multiple

How to Find LCM of 36 and 54?

LCM of 36 and 54 can be found using three methods:

  • Prime Factorisation
  • Division method
  • Listing the multiples

LCM of 36 and 54 Using Prime Factorisation Method

The prime factorisation of 36 and 54, respectively, is given by:

36 = (2 × 2 × 3 × 3) = 22 × 32 and

54 = (2 × 3 × 3 × 3) = 21 × 33

LCM (36, 54) = 90

LCM of 36 and 54 Using Division Method

We’ll divide the numbers (36, 54) by their prime factors to get the LCM of 36 and 54 using the division method (preferably common). The LCM of 36 and 54 is calculated by multiplying these divisors.

2 36 54
2 18 27
3 9 27
3 3 9
3 1 3
x 1 1

No further division can be done.

Hence, LCM (36, 54) = 108

LCM of 36 and 54 Using Listing the Multiples

To calculate the LCM of 36 and 54 by listing out the common multiples, list the multiples as shown below:

Multiples of 36 Multiples of 54
36 54
72 108
108 162
144 216
180 270

The smallest common multiple of 36 and 54 is 108.

LCM (36, 54) = 108

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Video Lesson on Applications of LCM

LCM of 36 and 54 Solved Example

Question: Find the smallest number that is divisible by 36 and 54 exactly.

Solution:

The smallest number that is divisible by 36 and 54 exactly is their LCM.

Multiples of 36 and 54:

Multiples of 36 = 36, 72, 108, 144, 180, . . . .

Multiples of 54 = 54, 108, 162, 216, 270, . . . .

Therefore, the LCM of 36 and 54 is 108.

Frequently Asked Questions on LCM of 36 and 54

Q1

What is the LCM of 36 and 54?

The LCM of 36 and 54 is 108. To find the LCM of 36 and 54, we need to find the multiples of 36 and 54 (multiples of 36 = 36, 72, 108, 144; multiples of 54 = 54, 108, 162, 216) and choose the smallest multiple that is exactly divisible by 36 and 54, i.e., 108.
Q2

List the methods used to find the LCM of 36 and 54.

The methods used to find the LCM of 36 and 54 are the Prime Factorization Method, Division Method and Listing multiples.
Q3

If the LCM of 54 and 36 is 108, Find its GCF.

LCM(54, 36) × GCF(54, 36) = 54 × 36
Since the LCM of 54 and 36 = 108
⇒ 108 × GCF(54, 36) = 1944
Therefore, the GCF (greatest common factor) = 1944/108 = 18.

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