A Prime number (or a prime) is a natural number that only has two factors which are itself and 1 and ... the only even prime number is 2. !!!

A Prime number (or a prime) is a natural number that only has two factors which are itself and 1. So the only even prime number is 2. The first prime numbers between 2 and 100 are: 2, 3, 5, 7, 11, 13, ...