Question

Which of the following represents the correct prime factorisation of 272?

• A. $2^2\times 3^2\times 13$
• B. $2^4\times 17$
• C. $3^3\times 17$
• D. $2\times 3\times 7\times 11$

Answer 1

The correct option is B

$2^4\times 17$

Finding all the prime factors of a number is called prime factorisation.

272 can be factorised as follows:

$\therefore$ 272 = $2^4\times 17$