# Highest Common Factor

The Highest Common Factor is the largest factor common to two or more numbers.  Even at the basic mathematics level it may be abbreviated to H.C.F. in questions, so ensure your student is familiar with this presentation also.

### Get Prepared For Summer.

 If you want to learn how to put a stop to the dreaded Summer Math Loss and send your child back to school in September feeling like a math super-hero then watch this free video training.

Your student must be confident with multiplication before attempting these types of questions.

## Find the Highest Common Factor of a group of numbers.

To find the HCF of a group of numbers you follow these simple steps:

1. Find all the factors of each number
2. Identify the largest number common to ALL the numbers

## Example

Find the Highest Common Factor of 10 and 25

 Step 1: Find all the factors of each number Factors of 101 , 2, 5 & 10Factors of 251 , 5,  25 Step 2: Identify the largest factor common to ALL the numbers Factors of 10:  1 , 2, 5 & 10Factors of 25: 1 , 5,  25

Although 10 and 25 are obviously larger factors than 5, they are not COMMON to both numbers.

Answer: HCF of 10 & 25 is 5

This is a skill that is essential to master for later mathematical success.  Be sure to get some of our Highest Common Factor Worksheets to get all the practice you need, or explore everything else Printable Math Worksheets has to offer.

 MATH MOMENTUM ACADEMY If your child is struggling with mathematics and you are a proactive parent, who wants to sort their math problems out, once and for all, then I invite you to explore what Math Momentum Academy can do for you.

## Keep In Touch!

You can send me a quick message, subscribe to K6Math Fun & Update, or join my Facebook Page - K6Math. Choose all the options so you don't miss any of the new material added to this site.