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The LCM calculator calculates the least common multiple of two to six numbers.

The LCM calculator will determine the least common multiple between two to six numbers. This calculation is essential when adding or subtracting fractions with unlike denominators. The text in this article will explain what is LCM, show how to find the least common multiple and show hot to use the least common multiple calculator.

The LCM is the least common multiple or lowest common multiple between two or more numbers. We can find the least common multiple by breaking down each number into its prime factors. This can be accomplished by hand or seeing the factor calculator or prime factorization calculator. The method for finding the LCM, along with an example illustrating such will be seen in the next section.

Take each numbers and find their prime factors. Knowing various divisibility rules helps assist in this process.

- Any even number is divisible by
`2`

. - Any numbers whose sum of the digits is divisible by
`3`

, is also divisible by`3`

- A number is divisible by
`4`

if the last two digits of the number form a number that is divisible by`4`

- All numbers ending in
`5`

or`0`

are divisible by`5`

. - The number is divisible by
`6`

if it is divisible by both`2`

and`3`

. - A number is divisible by
`8`

if the last three digits of the number form a number that is divisible by`8`

. - A number whose sum of digits is divisible by
`9`

is also divisible by`9`

. - Any number ending in
`0`

is divisible by`10`

.

Once the numbers are broken down to their prime factors, multiply the highest power of each factor to get the LCM.

We are going to show how to find the LCM of `24`

, `80`

and `121`

. First we'll get the factors of each number. This gives us `24 = 2 * 2 * 2 * 3`

,`80 = 2 * 2 * 2 * 2 * 5`

, `121 = 11 * 11`

. Gather all the factors, so we have `2, 3, 5, 11`

. Next multiply the highest power of each of these factors. That gives us `2 * 2 * 2 * 2 * 3 * 5 * 11 * 11 = 29,040`

. The LCM calculator can be used to check your answer or simply perform this calculation for you.

Just as you need prime factorization to get the LCM, it's equally important in finding the GCF, which is the greatest common factor. To find the GCF, take the product of all the common factors of each number. For example, the GCF of `16`

and `50`

is `2`

since the only factor in common between the two numbers is `2`

. The GCF calculatoris a handy tool to calculate this.

**LCM Calculator - Least Common Multiple** can be embedded on your website to enrich the content you wrote and make it easier for your visitors to understand your message.

It is free, awesome and will keep people coming back!

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