Foundation November 2022 Unit 2 Q7

7. Most numbers have an even number of factors.
For example,
7 has two factors: 1 and 7.
8 has four factors: 1, 2, 4 and 8.

Some numbers have an odd number of factors.

There is one number between 14 and 20 that has an odd number of factors.
Find this number.
Write down all the factors of this number.
You must show all your working. [2]

The number is ……………

The factors of this number are …………………………