There are no composite numbers between 30 and 31. 30 and 31 are consecutive numbers with no whole numbers between them.
All of them except for 31 and 37 which are prime numbers
All but 31 and 37 are composite.
All of them except for 31, 37, 41, 43 and 47 which are prime numbers
The composite numbers between 21 and 31 are: 21 22 24 25 26 27 28 30
These are the composites between 31 and 41: 32, 33, 34, 35, 36, 38, 39, 40.
The composite numbers between 30 and 40 are: 32, 33, 34, 35, 36, 38 and 39. The prime numbers between 30 and 40 are 31 and 37. Note: 30 and 40 are also composite numbers.
prime: 31, 37, 41, 43, 47 composite: the others
93 is composite.
39 is a composite number whose proper factors add up to 16.
31 is the only prime number between 30-36.
63 is composite.
39 is a composite number 1 is neither prime nor composite number 31 and 41 are prime numbers.