What is a composite number? Give examples.
MathematicsClass 10CBSEAnswered 28 May 2026
Answer
A composite number is a natural number greater than 1 with more than two factors divisible by numbers other than just 1 and itself.
- Smallest composite number: 4
- All even numbers greater than 2 are composite.
- 1 is neither prime nor composite.
| Number | Factors | Composite? |
|---|---|---|
| 4 | 1, 2, 4 | Yes |
| 6 | 1, 2, 3, 6 | Yes |
| 9 | 1, 3, 9 | Yes |
| 7 | 1, 7 | No (prime) |
A composite number has more than two factors and can be broken down into prime factors the opposite of a prime number.
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