MCQ
The least two digit composite number is:
- A$11$
- B$12$
- ✓$10$
- D$16$
✓
Answer
Correct option: C.
$10$
We know that-If a number has more than $2$ factors then it is a composite number. $11$ is a prime number
$\therefore$ it has only $2$ factors $12$ is a composite number
$\therefore$ it has more than $2$ factors $10$ is a composite number
$\therefore$ it has more than $2$ factors $16$ is a composite number
$\therefore$ it has more than $2$ factors $10, 12,16$
$\therefore$ are composite numbers.The least composite number is $10$
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