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LCM of 5 Numbers Calculator

LCM of 5 Numbers Calculator tool makes your calculations quicker and provides you with the Least Common Multiple of given 5 Numbers within seconds. All you have to do is to provide the digits in the given sections and hit on the “Calculate” button to get the required LCM instantly.

Ex: LCM of 10, 20, 55, 40, 45 (or) LCM of 24, 44, 28, 96, 16 (or) LCM of 78, 80, 18, 98, 108

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Here are some samples of LCM of 5 Numbers calculations.

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LCM of 5 Numbers Calculator: Feeling tiresome and tangled up by doing the same question again and again but still can't find the Least Common Multiple of given numbers? Use our LCM of 5 Numbers Calculator a handy online tool that does your calculations in a breeze. You will also find various methods to find the Least Common Multiple. It also explains the concept better so that you can do your calculations at a faster pace besides clearing all your doubts.

How do I Find the LCM of a Number?

In arithmetic concepts, the least, lowest or smallest common multiple is the smallest positive integer that is divisible by both of the given numbers. LCM is also recognised as the Least Common Divisor or LCD.

The LCM of two integers a and b is indicated as LCM(a, b) or as [a, b] in some older textbooks.

It is used to mind the lowest common multiple between two or more numbers. A common multiple is a multiple that is mutual in a given set of numbers.

There are three fundamental techniques by which you can discover the LCM of two or more numbers. The methods are –

  1. Listing the Multiples Method 
  2. Prime Factorisation Method
  3. Division Method

How to Find LCM Without Using a Calculator?

It is easy to find out LCM without using a calculator by Listing the multiples Method. Follow the steps given below to calculate.

  1. Let's refer to them as A, B, C, D & E to evaluate the LCM of the five numbers.
  2. List the first few multiples of A, B, C, D and E.
  3. Find out the common multiples from the multiples of all five numbers and mark them.
  4. Choose the smallest common multiple. 
  5. Finally, the lowest common multiple is the Least Common Multiple or LCM of the five numbers.

Solved Example Determining LCM of 5 numbers


Find out the LCM of five numbers are 3,6,7,14 and 21.


Firstly, let's list the first few multiples of the five numbers —

Multiples of 3 are 3, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42…

Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, and 54…

Multiples of 7 are 7, 14, 21, 28, 35, 42, 56, 63…

The multiples of 14 are 14, 28, 42, 56, 70, and 84…

The multiples of 21 are 21, 42, and 63.

Now compare the multiple for the 5 numbers and find out the least common multiple.

As we can see, the smallest common number that is on all of the lists is 42.

So LCM of 3,6,7,14 and 21 is 42.

FAQs on Free Online LCM of 5 Numbers Calculator

1. What is the lowest common multiple of 5 6 7 and 9?

315 is the least common multiple for 5,6,7, and 9. 

2. How to find the lcm of 3 numbers?

You can find out the lcm of 3 numbers easily by clearing all your doubts, just visit and discover more concepts with deep learning and solve complex problems using our calculators.

3. How to Find LCM by Listing Multiples?

First list the multiples of each number, now find out the smallest multiple from the least, the identified least multiple is the LCM for the number.