Composite Number
A number with more than two factors
A composite number is a positive integer greater than 1 that can be formed by multiplying together two or more smaller positive integers. In other words, a composite number has at least one factor other than 1 and itself.
For example, 6 is a composite number because it can be expressed as the product of 2 and 3. Similarly, 15 is a composite number because it can be expressed as the product of 3 and 5.
On the other hand, a prime number is a positive integer greater than 1 that has only two factors: 1 and itself. Examples of prime numbers include 2, 3, 5, 7, 11, and 13.
It is important to be able to distinguish between prime and composite numbers because they behave differently in certain mathematical operations. For example, prime numbers play a key role in cryptography where they are used to create secure codes for protecting sensitive information. Composite numbers, on the other hand, are often used in the factoring of larger numbers or in finding common denominators in fractions.
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