# Chapter 3 Class 6 Playing with Numbers

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 when 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.