Is 30 an Even Number?
30 is an even number.
What Is the Formula for Even Numbers?
An integer n is even if it can be expressed as:
n = 2 × k where k is any integer (positive, negative, or zero).
How to Know if 30 Is Even?
To check if 30 is even, divide 30 by 2 and check the remainder:
- If
30 % 2 = 0, then 30 is even. - If the remainder is not zero, 30 is odd.
Step-by-Step Calculation for 30
Calculate the remainder when 30 is divided by 2:
30 ÷ 2 = 15 with a remainder of 0
Since the remainder is 0, 30 is an even number.
Understanding Even and Odd Numbers
Even numbers are integers divisible by 2 without any remainder. Odd numbers are integers which, when divided by 2, leave a remainder of 1.
Examples of Even Numbers
Examples include 0, 2, 4, 6, 8, 10, 12, and so on.
Examples of Odd Numbers
Examples include 1, 3, 5, 7, 9, 11, 13, and so on.