Why is the brute-force approach less ideal here?

Question

Why is the brute-force approach less ideal here?

Option A — Correct answer

Scanning every possible divisor can be slow.

Option B

It always has better space complexity

Option C

It skips reading some inputs

Option D

It only works on strings

Explanation

Scanning every possible divisor can be slow.

GCD - Euclidean Remainder Pattern Practice Quiz