The number 2 is the smallest prime number and is unique for being the only even prime number.
There are several methods for determining if a number is prime: what are prime numbers
Prime numbers are natural numbers greater than 1 that cannot be formed by multiplying two smaller natural numbers. Often described as the "atoms" of mathematics, they are the fundamental components from which all other whole numbers are constructed. 2. Definition and Characteristics The number 2 is the smallest prime number
The number 1 is not a prime number because it only has one factor (itself). what are prime numbers
A prime number is formally defined as a positive integer having exactly two distinct factors: 1 and itself.