Why is the brute-force approach less ideal here?

Question

Why is the brute-force approach less ideal here?

Option A — Correct answer

Testing every divisor up to n - 1 wastes checks.

Option B

It always has better space complexity

Option C

It skips reading some inputs

Option D

It only works on strings

Explanation

Testing every divisor up to n - 1 wastes checks.

Prime Check - Square Root Trial Division Pattern Practice Quiz