Even and odd numbers are important mathematical concepts that are typically used in counting.

Odd number: An odd number is any number that, when divided by two, generates a fraction or a remainder. For example, 1, 3, 5, 7, and 9 are all odd numbers.

Even number: An even number is any number that is divisible by two and generates a remainder of 0.

A prime number is a natural number that has exactly two distinct positive factors; 1 and itself.

This free tool below enables you to identify odd, even, and prime numbers.