A composite quantity is a quantity that’s divisible by numbers apart from 1 and itself. As an example, 12 is a composite quantity as a result of it’s divisible by 1, 2, 3, 4, 6, and 12.
Composite numbers are necessary in math as a result of they’re usually used to seek out widespread elements and least widespread multiples. They’re additionally utilized in quantity concept to unravel issues associated to divisibility.