Question

How many prime numbers are there between $1$to $100$

• A. $12$
• B. $15$
• C. $25$
• D. $20$

Answer 1

The correct option is C

$25$

Solve for finding prime numbers between given numbers

Given numbers are $1$ and $100$

A prime number is a natural number greater than $1$ with exactly two factors that is $1$ and the number itself.

Consider an example $7$, It has two factors $1,7$.

The prime numbers between $1$ and $100$ are: $2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97$.

Therefore, the total number of prime numbers between $1$ and $100$ are $25$.

Hence option (C) is the correct answer.