11 numbers
2, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18
* * * * *
NO! 2 is a prime, not a composite!
4,6,8,9,10,12,14,15,16
composite numbers between 11 and 21:12 14 15 16 18
The composite numbers between 10 and 20 are 12, 14, 15, 16 and 18.
The composite numbers between 11 and 19 are 12, 14, 15, 16 and 18
The composite numbers between 11 and 19 are: 12 14 15 16 18 The other numbers, 11, 13, 17, and 19, are all prime.
There are 18 composite numbers up to and including 30
12,14,15,16, and 18
Composite numbers between 6 and 20 are 8, 9, 10, 12, 14, 15, 16, and 18.
10, 12, 14, 15, 16, 18, 20
12, 14, 15, 16, and 18 are composite numbers 11, 13, 17, and 19 are prime numbers
12, 14, 15, 16.
composite The number 18 is a composite number. It is a composite number because composite numbers are whole numbers that have three or more factors.