Composite Number

Definition of Composite Number

A whole number that has factors other than 1 and the number itself is a Composite Number.

Example of Composite Number

    4, 6, 9, 15, 32, 45 are some examples of composite numbers.

Video Examples: What is a composite number?

Solved Example onComposite Number

Ques: Identify the composite number.


    A. 19
    B. 121
    C. 37
    D. 53
    Correct Answer: B


    Step 1: Here, only 121 has factors other than 1 and itself.
    Step 2: The factors of 121 are 1, 11, 121. So, 121 is a composite number.
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