Is 40257 divisible by 5?
Understand the Problem
The question is asking to determine if 40257 is divisible by 5. We need to check if 40257 is divisible by 5 and discuss the divisibility rule of 5.
Answer
No, 40257 is not divisible by 5.
Answer for screen readers
No, 40257 is not divisible by 5.
Steps to Solve
- Divisibility rule of 5
A number is divisible by 5 if its last digit is either 0 or 5. This is because any number can be written as $10n + d$, where $n$ is an integer and $d$ is the last digit. Since $10n$ is always divisible by 5, the divisibility by 5 depends only on the last digit $d$.
- Check the last digit of the given number
The last digit of the number 40257 is 7.
- Determine if the number is divisible by 5
Since the last digit of 40257 is 7, which is not 0 or 5, the number 40257 is not divisible by 5.
No, 40257 is not divisible by 5.
More Information
The divisibility rule of 5 is a simple and useful tool for quickly determining if a number is divisible by 5 without performing the full division. This rule works because our number system is base 10.
Tips
A common mistake is to confuse the divisibility rule of 5 with other divisibility rules. For example, the divisibility rule for 2 states that a number is divisible by 2 if its last digit is even (0, 2, 4, 6, or 8). It is important to remember the correct divisibility rule for each specific number.
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