Composite
Definition
A composite number is a positive integer greater than 1 that has at least one positive divisor other than 1 and itself. In other words, it can be divided evenly by numbers other than 1 and itself.
5 Must Know Facts For Your Next Test
- Composite numbers have more than two factors.
- The smallest composite number is 4.
- All even numbers greater than 2 are composite because they are divisible by 2.
- A number can be identified as composite if it has a prime factor less than or equal to its square root.
- The number 1 is neither prime nor composite.
Review Questions
- What makes a number composite?
- Is the number 15 a prime or composite number? Why?
- How can you determine if a large number is composite?
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Related terms
Prime Number: A positive integer greater than 1 that has no positive divisors other than 1 and itself
Factor: A number that divides another without leaving a remainder
Divisor: A number by which another number is to be divided
