9 is a composite number because it has other factors aside from 1 and itself.
The other factor of 9 is 3.Oh im in the toliet jokes.
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9 is not a prime number.
Actually, 9 is NOT a prime number.
9 is not prime
6 and 9 are not prime numbers 23 is the only prime number in this group
A prime number cannot have any number multiplied to make that number, except for one. example: 9 is not prime because 3 times 3 is 9.