Prime Numbers is categorized as positive integers which do not have a divisor other than 1 or themselves. The most commonly known prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29. Except for 2, all prime numbers are odd digits. In case you are willing to find out about some other complex digits whether they are categorized as prime or not? Check out the online Prime Number Calculator to access the answers instantly.Simply enter the value and click Calculate and here you will get the response whether it is a Prime Number or not.