4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, and 30
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Not all composite numbers are even, but all even numbers except 2 are composite.
They are all composite.
there are infinity odd composite numbers
The numbers in the 90s are all composite, apart from 97, which is prime.
34 is a composite number.34 is a Composite Number (all whole numbers ending in four are composite).