Question

A is a number , which is divisible only by and the number itself.

• A. 100
• B. Composite number
• C. 1
• D. Prime number

Answer 1

Answer: (C), (D)

The correct options are
C 1
D Prime number

A prime number has only 2 factors , which is 1 and the number itself.
$\therefore$ A prime number is a number , which is divisible only by 1 and the number itself.
For ex: The factors of 11 are 1 and 11. So 11 is a prime number.