A factor is number that can divide another number without leaving a remainder.
What do you think?
1) Which of the following is a factor of 12?
- 24
- -24
- 3
- 60
2) Which is not a factor of 24?
- 4
- -14
- 3
- 1
Highest common factor (HCF)
This is the largest number that can divide a list of numbers exactly. It is also referred to as the greatest common divisor (GCD).
Finding the HCF
We can use a table method in order to find the HCF.
Important notes
Here are some notable mentions.