21 is an odd composite number
81 is an odd composite number.
A composite odd number
You cannot. If a number is even - other than 2 - then it is a composite number. However, if it is odd, it is not easily possible to tell whether it is prime or composite.
Every odd multiple of any odd number is an odd composite number. There are an infinite number of them. Sadly, our typist pool is busy with other projects just now.
21 is an odd composite number
35 is an odd composite number
Yes
It is a composite odd number
It is impossible to list the infinite number of composite odd numbers.
81 is an odd composite number.
19 is the tenth odd number, And is not a composite number or even number.
29 is odd and prime.
9
9
9
The smallest number that is both odd and composite is 9, which is divisible by 3. The odd numbers are 1, 3, 5, 7, 9, 11, ..., and 1, 3, 5, and 7 are all prime. It is 9 that is the smallest odd composite number.