- Prime Numbers Factors and Multiples
- Even and Odd Numbers
- Divisibility Rules for 2, 5, and 10
- Divisibility Rules for 3 and 9
- Prime Numbers
- Prime Factorization
- Greatest Common Factor of 2 Numbers
- Greatest Common Factor of 3 Numbers
- Introduction to Distributive Property
- Understanding the Distributive Property
- Introduction to Factoring With Numbers
- Factoring a Sum or Difference of Whole Numbers
- Least Common Multiple of 2 Numbers
- Least Common Multiple of 3 Numbers
- Word Problem Involving the Least Common Multiple of 2 Numbers
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Divisibility Rules for 2, 5, and 10
Divisibility − A number m is said to be divisible by another number n
if n divides m completely without leaving a remainder.
Divisibility Rule for 2
- If a number ends in a 0, 2, 4, 6 or 8, it is divisible by 2.
- All even numbers, by definition, are divisible by 2.
Some examples of numbers divisible by 2 are as follows.
24, 18, 68, 108, 184, 1020.
Divisibility Rule for 5
- If a number ends in either a 0 or 5, it is divisible by 5.
Some examples of numbers divisible by 5 are
15, 35, 75, 125, 505, 1000.
Divisibility Rule for 10
- If a number ends in a 0, it is divisible by 10.
- Also if a number is divisible by both 2 and 5, it is divisible by 10.
Some examples of numbers divisible by 10.
20, 50, 90, 110, 170, 1200.
Find the divisibility of the numbers in following table −