# Is 2 a prime number?

Yes, 2 is a prime number.

Indeed, the definition of a prime numbers is to have exactly two distinct positive divisors, 1 and itself. A number is a divisor of another number when the remainder of Euclid’s division of the second one by the first one is zero. Concerning the number 2, the only two divisors are 1 and 2. Therefore 2 is a prime number.

The number 2 features several interesting properties:

- 2 is the smallest prime number
- 2 is the only even prime number