Question

The least two-digit composite number is

• A. $11$
• B. $10$
• C. $12$
• D. $16$

Answer 1

The correct option is B

$10$

Finding least composite number:

If a number has more than $2$ factors, then it is a composite number.

$11$ is a prime number since it has only $2$factors.

$10$ is a composite number since it has more than $2$ factors.

$12$ is a composite number since it has more than $2$ factors.

$16$ is a composite number since it has more than $2$ factors.

Here the least two-digit composite number is $10$.

Hence option B is the answer.