How to Find the Lowest Common Multiple

Take the smallest number that divide evenly into the given numbers. This MathMotor video shows you the easiest process for finding the Least Common Multiple LCM or Least Common Denominator LCD of any set of two or more nu.

Finding The Lcm Least Common Multiple Math School Math Methods Learning Math

Write how many times it will divide into each below the line.

. We cover 2 methods. You simply list out the multiples for the numbers you are evaluating and you find the lowest one that is the same between the. Put the given numbers inside the ladder.

In this lesson I will show you how to find the lowest common multiple using repeated division. The multiples of 5 are 5 10 15 20 25. In mathematics the least common multiple also known as the lowest common multiple of two or more integers a and b is the smallest positive integer that is divisible by both.

In arithmetic and number theory the least common multiple lowest common multiple or smallest common multiple of two integers a and b usually denoted by lcm a b is the. In Mathematics the Lowest Common Multiple LCM of any two or more natural numbers is the number that is the lowest of their common multiples. Least Common Multiple of 3 and 5.

Theres nothing new to learn here the method shown above will allow you to find the Lowest Common Multiple of any amount of numbers. We can see that the smallest number that appears in both lists is 6 hence the lowest common multiple of 2 and 3 LCM 2 3 6. Write the quotients and undivided numbers in a line below the first.

Lets do a couple more of these. It is also called Least Common Multiple. So the smallest number that is both a multiple of 36 and 12-- because 36 is a multiple of 12-- is actually 36.

Finding the least common multiple is actually straight forward. List the Multiples of each number The multiples of 3 are 3 6 9 12 15 18. The highest common factor also known as the greatest.

So if you needed to find the. Its 1 times 36. Least Common Multiple LCM Mathematics Grade 4 PeriwinkleWatch our other videosEnglish Stories for Kids.

This video covers how to find the Lowest Common Multiple of a group of numbers. The first is the easier method which involves listing. Find the first Common.

Repeat the process until we reach a stage where no prime factor is common to any two. Learn about and revise how to calculate highest common factors HCF and lowest common multiples LCM with BBC Bitesize KS3 Maths.

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