# What is the least common multiple of 7 and 24?

##### 2 Answers

#### Explanation:

By doing the Prime factorization:

And since there's isn't any common factor We need all the prime factors listed

A teacher will expect the prime number method. Just for the hell of it this is a different approach!

168

#### Explanation:

We have two numbers ; 24 and 7

I am going to count the 24's. However lets look at this value.

24 can be 'split' into a sum of 7's with a remainder. So each 24 consists of:

If we sum columns of these we will get the 3 summing to a value into which 7 will divide exactly. When this happens we have found our least common multiple.

REMEMBER WE ARE COUNTING THE 24's

We have a count of 7 so the value is