The numbers 2, 3, and 5 are all prime numbers, meaning they can only be divided evenly by 1 and themselves. 2 is the smallest and the only even prime number, while 3 and 5 are odd primes. These numbers are fundamental in mathematics and are often used in various calculations and number theory. In addition to being prime, 2, 3, and 5 are also the first three odd numbers in the sequence of prime numbers. They play a significant role in various mathematical concepts, including factors, multiples, and divisibility. Understanding these numbers is essential for grasping more complex mathematical ideas.