Composite number
From Wikipedia, the free encyclopedia.

A composite number is a natural number larger than 1 that is not a prime number. The first ten composite numbers are:

4, 6, 8, 9, 10, 12, 14, 15, 16 and 18.

See also: Highly composite number, Sphenic number.

The original article can be found at: http://en.wikipedia.org/wiki/Composite_number.
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