4, 14, 18 and 10 are composite numbers.
The composite numbers between 10 and 20 are 12, 14, 15, 16 and 18.
They can be: 8+6 = 14 or 10+4 = 14
The numbers 4, 6, 8, 9, 10, 12, 14, 15, 16, 18 are the first ten composite numbers.
12, 14, 15, 16, and 18 are composite numbers 11, 13, 17, and 19 are prime numbers
There are 7 composite numbers from 10 to 20 (including the boundaries):10, 12, 14, 15, 16, 18 and 20
Prime numbers: 11, 13, 17, 19, 23, 29 Composite numbers: 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30
All of them except for 11, 13, 17 and 19 which are prime numbers
The numbers 4, 6, 8, 9, 10, 12, 14, 15, 16, 18 are the first ten composite numbers.
10, 12, 14, 15, 16, 18, 20.
12, 14, 15, 16.
4, 6, 8, 9, 10, 12, 14, 15, 16, 18 are the first ten composite numbers
4, 6, 8, 9, 10, 12 and 14.