There are 18 composite numbers up to and including 30
6, 10, 15, 30 are the composite factors of 30.
composite numbers 30-40
30,32,33,34,35,36,38,39,40 are the composite numbers between 30 and 40. Composite numbers are numbers that are not prime numbers.
30 and 135 both are composite numbers. 30 and 135 both are divided by 5 and 3.
No two (or more) composite numbers can multiply to 30.
There are 18 that are less than 30.
There are no composite numbers between 30 and 31. 30 and 31 are consecutive numbers with no whole numbers between them.
20,21,22,24,25,26,27,28,30
30, 32, 33, 34, 35, 36, 38, 39, 40 (including 30 and 40).
11, 13, 17, 19, 23, 29 are the primes between 10 and 30 so the composite numbers are all the others. 12,14,15,16,18,20,21,22,24,25,26,27,28, and 30 are the composite numbers between 10 and 30.
The next four composite numbers after 30 are 32, 33, 34 and 35.
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.