Question

Is 49 a prime or composite number?

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

Answer 1

The correct option is B Composite number

$49=7\times 7$
This shows that $49$ has factors other than 1 and itself, $\therefore$ it is a composite number.
Also, $49=7^2$ ; it is also a perfect square.