hcf formula with 3 examples of three numbers each

HCF (highest common factor) definition with hcf calculation examples of three numbers each and some hcf exercises questions with answers

finding a hcf using prime factorization (multiplication method) or listing method is the method used in this video which is the easy way

You could use it on youtube

The examples are, Find the hcf of the following:

1. 24, 36 and 18

2. 30 40, and 45

3. 200, 360 and 600

The exercises are, Find the hcf of the following:

1. 40, 300 and 600

2. 30, 40 and 60

3. 6, 8 and 12

And Answers:

1. 20

2. 10

3. 2