The first eight composite numbers are 4, 6, 8, 9, 10, 12, 14, and 15.
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All whole numbers ending in eight are composite.
The first composite number is 4.
Two is prime. All other even numbers are composite.
8 and 16
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 98 is composite.