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.

Choices:

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

Solution:

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.

Related Worksheet

• Prime-and-Composite-Numbers-Gr-4