Question

Is 93 a prime or composite number?

• A. Prime number
• B. Composite number
• C. Cannot be determined

Answer 1

The correct option is B Composite number

Let's check the divisibility of 93 by 3.

$\to \text{Sum of digits}=9+3=12$

We know that 12 is divisible by 3 $\Rightarrow 3\times 4=12$

$\therefore$ 93 is divisible by 3.

Hence, it is a composite number.