Question

Find the prime factors of the following numbers:

(3) 176

Answer 1

The prime factorisation of the number 176 by successive division method is given as follows:
$\begin{array}{cc}2& 176\\ 2& 88\\ 2& 44\\ 2& 22\\ 11& 11\\ & 1\end{array}$

⇒ 176 = 2 × 2 × 2 × 2 × 11.

Thus, the prime factors are 2 and 11.