A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.
The smallest prime number is two - his positive divisor are one and two. Two is also the only even prime number.
Every other prime numbers are odd, because every other even number greater than two is divided by two.
First prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31…