composite numbers are
positive and not prime
Composite numbers are positive integers that have more than two factors (divisors). In other words, a composite number is a number that can be divided evenly by at least one positive integer other than 1 and itself. For example, 6 is a composite number because it can be divided evenly by 1, 2, 3, and 6. Other composite numbers include 4, 8, 9, 10, 12, 14, 15, 16, 18, and so on.
Composite numbers are opposite of prime numbers, which are positive integers that have only two factors – 1 and itself. All composite numbers can be expressed as the product of two or more prime numbers. For example, 18 can be expressed as 2 x 3 x 3, and 35 can be expressed as 5 x 7.
Composite numbers play an important role in algebraic equations and number theory. They also have applications in cryptography and computer security.
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