Question

Question 80 (c)

Express each of following as a product of powers of their prime factors.
800

Answer 1

$\begin{array}{cc}2& 800\\ 2& 400\\ 2& 200\\ 2& 100\\ 2& 50\\ 5& 25\\ 5& 5\\ & 1\end{array}$
Using prime factorisation of 800, we have
$800=2\times 2\times 2\times 2\times 2\times 5\times 5=2^5\times 5^2$