20 21 22 24 25 26 27 28 30
26
26
The composite numbers between 20 and 30 are: 20 21 22 24 25 26 27 28 30
28
36 is a composite number between 30 and 40 because its factors are 1,2,3,4,6,9,12,18,36
The composite numbers between 20 and 30 are 21, 22, 24, 25, 26, 27, and 28.
The composite numbers between 20 and 30 are: 20 21 22 24 25 26 27 28 30
There are no composite numbers between 30 and 31. 30 and 31 are consecutive numbers with no whole numbers between them.
40
A composite number is a positive integer that has at least one positive divisor other than one and itself. Between 15 and 30, the composite numbers are 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, and 30. For example, 18 is composite because it can be divided by 1, 2, 3, 6, 9, and 18.
20,21,22,24,25,26,27,28,30
16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30,