- Trending Categories
- Data Structure
- Networking
- RDBMS
- Operating System
- Java
- iOS
- HTML
- CSS
- Android
- Python
- C Programming
- C++
- C#
- MongoDB
- MySQL
- Javascript
- PHP

- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who

# Determine if 25110 is divisible by 45.

[Hint : 5 and 9 are co-prime numbers. Test the divisibility of the number by 5 and 9 ].

To do:

We have to find whether 25110 is divisible by 45.

Solution:

Factors of 5 are 1 and 5.

Factors of 9 are 1, 3 and 9.

This implies,

5 and 9 are co-prime numbers.

Therefore, 25110 is divisible by 45 if it is divisible by 5 and 9.

The last digit of 25110 is 0.

This implies,

25110 is divisible by 5

Sum of digits 25110 $=2 + 5 + 1 + 1 + 0$

$= 9$

The sum of digits of 25110 is divisible by 9.

This implies,

25110 is divisible by 9

25110 is divisible by both 5 and 9.

Therefore, 25110 is divisible by 45.

- Related Questions & Answers
- Chrome 45 is here!
- Find if nCr is divisible by the given prime in C++
- Check if a large number is divisible by 20 in C++
- Check if a number is divisible by 23 or not in C++
- Check if a number is divisible by 41 or not in C++
- Write a C# program to check if a number is divisible by 2
- Check if a large number is divisible by 11 or not in java
- Check if a large number is divisible by 3 or not in java
- Check if a large number is divisible by 13 or not in C++
- Check if a large number is divisible by 11 or not in C++
- Check if a large number is divisible by 25 or not in C++
- Check if a large number is divisible by 3 or not in C++
- Check if a large number is divisible by 5 or not in C++
- Check if a large number is divisible by 75 or not in C++
- Check if a large number is divisible by 8 or not in C++
- Check if a large number is divisible by 9 or not in C++

Advertisements