It is 15
11 and 13 are prime numbers but 15 is a composite number because it has more than two factors
13, 15
12, 14, 15, 16, and 18 are composite numbers 11, 13, 17, and 19 are prime numbers
The composite numbers between 11 and 19 are: 12 14 15 16 18 The other numbers, 11, 13, 17, and 19, are all prime.
9 and 15 are composite numbers because they have more than two factors
11 and 13 are prime numbers but 15 is a composite number because it has more than two factors
13, 15
12, 14, 15, 16, and 18 are composite numbers 11, 13, 17, and 19 are prime numbers
Out of that list, 9 and 15 is a composite.
The composite numbers between 11 and 19 are: 12 14 15 16 18 The other numbers, 11, 13, 17, and 19, are all prime.
9 and 15 are composite numbers because they have more than two factors
15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.
composite numbers between 11 and 21:12 14 15 16 18
The composite numbers between 11 and 19 are 12, 14, 15, 16 and 18
No because 11 is a prime number but the rest of them are composite numbers.
15 is composite number
It is 15 because it has more than two factors