How many prime numbers are there below 100?
Prime numbers are the numbers which have only one and the number itself as its factors.
The prime numbers less than hundred 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.
It can be seen that there are 25 prime numbers below hundred.