NCERT Solutions of all exercise questions and examples of Chapter 3 Class 6 available free at teachoo. All answers have been solved with video, and concept videos are also given for your understanding.

In this chapter, we will learn

- What are
**factors**of a number, - and
**Properties**of Factor - What are
**multiples**of a number - and
**Properties**of Multiple - What are
**prime**and**composite**numbers - Prime numbers
**upto 100** - Checking if a number is
**divisible**by- Divisible by 1 (Every number is divisible by 1)
- Divisible by 2
- Divisible by 3
- Divisible by 4
- Divisible by 5
- Divisible by 6
- Divisible by 7
- Divisible by 8
- Divisible by 9
- Divisible by 10
- Divisible by 11
- Divisible by 12
- Divisible by 13

- Finding
**Common Multiples**of numbers - Finding
**Common Factors**of numbers - Some
**Special Divisibility rules** **Factor Tree**of a number**Prime Factorisation**of a number- Finding Highest Common Factor (
**HCF**), or Greatest Common Divisor (**GCD**) of numbers - Finding Least Common Multiple (
**LCM**) - Identifying w
**hen to use LCM and**when to use**HCF** - And then, doing
**Statement questions**on LCM and HCF

Click on an exercise link below to study from the NCERT.

Or you can also click on a concept link below Concept Wise. The chapters is divided into different concepts, and each concept is explained first. And then questions related the concept is solved. Easiest question first, hardest question in the end.

Click on a link below to begin.