Monday, July 14, 2014

What is Highest Common Factor (HCF)


Finding the H.C.F of two numbers is really easy once you know what you have to do. So what do you have to do? Well you will have to first find the factors for each of your numbers which for example are 14 and 18. Then you would have to determine the greatest of all common factors:
14= 2 x 7
18= 2 x 3 x 3

So now we know that the common factor is 2 and the highest factor is of course 2 so the H.C.F for the two numbers 14 and 18 is 2.
Now try some of these and make sure to watch the video on YouTube.

Sheet 1 What is HCF

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