The number of prime numbers which are less than 100 is

- 24
- 25
- 26
- 27

**Answer**

A prime number can be divided only by 1 or itself. It must be a whole number greater than 1. The number 1 is neither prime nor composite.

There are 25 prime numbers which are less than 100. They are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.

**The correct option is B.**