Question

express 160 as its product of prime factors. write the prime factors down in ascending order and give your answer in index form

Answer 1

160 = 8*20

      =2³ * 4*5

      =2⁵ * 5

Answer 2

Here is Prime Factorisation of 160

_160_|_2_|
_80_|_2_|
_40_|_2_|
_20_|_2_|
_10_|_2_|
_5__|_5_|
_1__|___|

The prime factorisation of 160 = $\bf{2 \times 2\times 2\times 2\times 2\times 5}$

It can also be written as $\bf{{2}^{5} \times 5}$