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Concept of Composite Number

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definition

Composite numbers: Numbers having more than two factors are called Composite numbers. 4, 6, 8, 9, 10,...... are examples of composite numbers.

notes

Concept of Composite Number:

Numbers

Factors

Number of Factors

1 1 1
2 1, 2 2
3 1, 3 2
4 1, 2, 4 3
5 1, 5 2
6 1, 2, 3, 6 4
7 1, 7 2
8 1, 2, 4, 8 4
9 1, 3, 9 3
10 1, 2, 5, 10 4
11 1, 11 2
12 1, 2, 3, 4, 6, 12 6
  • The number 1 has only one factor (i.e. itself).
  • There are numbers having more than two factors like 4, 6, 8, 9, 10, and so on. These numbers are composite numbers.
  • Composite numbers: Numbers having more than two factors are called Composite numbers.
  • 1 is neither a prime nor a composite number.
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