Year 8 Interactive Maths - Second Edition

Factors

So, 6 is a factor of 12 as it divides exactly into 12.

So, 2 is a factor of 12 as it divides exactly into 12.

Note:

If a number can be expressed as a product of two whole numbers, then the whole numbers are called factors of that number.

So, the factors of 12 are 1, 2, 3, 4, 6 and 12.

Example 17

List all the factors of 28.

Solution:

So, the factors of 28 are 1, 2, 4, 7, 14 and 28.

Note:

Example 18

Is 3 a factor 8?

Solution:

Example 19

Find all the factors of:

a.  8x
b.  5pq
c.  6p²

Solution:

Key Terms

factor