Answer: There are in total 24 odd prime numbers present in between 1- 100. The numbers 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. Here, 2 is the only even number which is considered a prime number.