Question

Prime factorisation of $13915$ is _________.

• A. $5\times 11\times 11\times 23$
• B. $5\times 11\times 7\times 23$
• C. $11\times 7\times 23\times 3$
• D. $5\times 11\times 11\times 3$

Answer 1

Answer: (A)

$5\times 11\times 11\times 23$

$13915=5\times 11\times 11\times 23$

This is the required Prime Factorisation.

it can be done easily via Prime Factorisation Table.

Option A is correct.