Divisibility by 2 means that a number is divisible by 2 if it ends in an even digit: 0, 2, 4, 6, or 8. In other words, if a number can be divided by 2 with no remainder, it is divisible by 2.

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Here are 5 related questions:

1. How can you check if a large number is divisible by 2?
2. What are the properties of even numbers?
3. Can a negative number be divisible by 2?
4. How is divisibility by 2 related to binary numbers?
5. How does divisibility by 2 apply to fractions?

Tip: All even numbers are divisible by 2, and all odd numbers are not.