Express $36$ as the product of prime numbers.

Draw a factor tree to show the prime factorisation of:

$420\mathrm{}$

Draw a factor tree to show the prime factorisation of:

$20$

Draw a factor tree to show the prime factorisation of:

$40$

Draw a factor tree to show the prime factorisation of:

$72\mathrm{}$

Identify the following as even or odd number.

$110\mathrm{}\mathrm{}$

Identify the following as even or odd number.

$49$

Identify the following as even or odd numbers.

$695$

Identify the following as even or odd number.

$232\mathrm{}$