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An odd number is an integer that is not evenly divisible by 2.

A composite number is a positive number that has divisors other than 1 and itself.

So any odd number greater than 1 that is not prime would be a composite odd number.

For example, 9, 15, 21, and 25 are odd composite number because the are odd and they have divisors.

1, 3, 5, and 7 are not composite because they are only divisible by 1 and themselves.

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16y ago

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More answers

That's an infinite list. 9 and 15 are on it.

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8y ago
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They are odd numbers that do not include prime numbers.

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12y ago
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The product of any two odd numbers (other than 1) is both odd and composite.

For example, 3*5, 3*7, 5*9 etc.

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14y ago
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Q: What are composite odd numbers?
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