Suppose we multiply two numbers to get a number

What are factors.dib

Here,

2 & 3 are factors of 6

 

Similarly,

What are factors ii.jpg

Here,

1 & 6 are factors of 6

How to find factors?

Suppose we have to find factors of 6

  • We start with 1, and multiply it with a number to get 6.
  • Then, we do the same with 2, 3, 4, 5.. until the number repeats

 

So,

1 × 6 = 6

2 × 3 = 6

3 × 2 = 6

We stop here as 3, 2 have occurred earlier

∴ Factors of 6 are 1, 2, 3, 6

Find factors of 8

1 × 8 = 8

2 × 4 = 8

3 ×

4 × 2 = 8

We stop here as 2 & 4 have occurred earlier

 

So, factors of 8 are 1, 2, 4, 8

Find factors of 14

1 × 14 = 14

2 × 7 = 14

3 ×

4 ×

5 ×

6 ×

7 × 2 = 14

 

We stop here as 2 & 7 have occurred earlier

So, factors of 14 are 1, 2, 7, 14

Find factors of 30

1 × 30 = 30

2 × 15 = 30

3 × 10 = 30

4 ×

5 × 6 = 30

6 ×  5 = 30

 

We stop here as 5 & 6 have occurred earlier

So, factors of 30 are 1, 2, 3, 5, 6, 10, 15, 30

Properties of factor

  • 1 is the factor of every number
  • Every number is the factor of itself
  • Every factor is less than or equal to the given number
  • There are finite number of factors

  1. Chapter 3 Class 6 Playing with Numbers
  2. Concept wise
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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.