Even and Odd Numbers (original) (raw)

Last Updated : 23 Jul, 2025

**Even and Odd Numbers are distinct groups of whole numbers that are classed as odd or even based on specific properties. Even Numbers are those which are exactly divisible by 2 on the other hand Odd Numbers are those that are not exactly divisible by 2.

**The numbers ending with 1, 3, 5, 7, and 9 are odd numbers whereas the numbers ending with 0, 2, 4, 6, and 8 are even numbers

Key differences between Even and Odd Numbers are:

Odd Numbers Even Numbers
Odd numbers are numbers which when divided by two result a remainder as one. Even numbers are those numbers whenever divided by two will result in zero as the remainder.
It can be written in form of 2n+1, where n can be any integer number. It can be written in form of 2n, where n can be any integer number****.**
81, 35, 55, 7, and so on are all odd numbers 98, 26, 48, 6, 8, and so on are all even numbers.
The approach to identifying odd numbers is that the odd number's last digit is always 1, 3, 5, 7, or 9. We can identify even numbers by remembering that the last digit of an even number will always be 0, 2, 4, 6, or 8.
The product of two odd numbers is always an odd number. The product of two even numbers is always an even number.
The sum of even number of odd numbers is always an even number. If we add even numbers irrespective of times then their sum will always an even number.
Odd Numbers are Prime Numbers except 1 Even Numbers are non-prime numbers except 2.

You can check your understanding of even and odd numbers in the following quiz:

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