Composite number — lesson. Mathematics CBSE, Class 6.

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A composite number is defined as a number having more than two factors.

Example:

Factors of

$9$ are

$1$ ,

$3$ and

$9$ . Therefore it is a composite number.

Factors of

$14$ are

$1$ ,

$2$ ,

$7$ , and

$14$ . Therefore it is a composite number.

Seven consecutive composite numbers less than

$100$ :

$89$ and

$97$ are the prime numbers.

$90$ ,

$91$ ,

$92$ ,

$93$ ,

$94$ ,

$95$ ,

$96$ lies in between

$89$ and

$97$ . All these numbers have more than

$2$ factors. Therefore, all the numbers are consecutive composite numbers.

Important!

$1$ is neither prime nor composite number.

Any whole number greater than

$1$ is either a prime or composite number.

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5. Composite number