In the list provided, the numbers 9 and 15 are composite numbers. A composite number is a positive integer greater than 1 that can be formed by multiplying two smaller positive integers. In this case, 9 can be formed by multiplying 3 and 3, while 15 can be formed by multiplying 3 and 5. The other numbers in the list (3, 5, 7, 11, and 13) are prime numbers as they can only be divided by 1 and themselves without a remainder.
The composite numbers between 11 and 19 are 12, 14, 15, 16 and 18
15 is a composite number. 11 is a prime number.
They are all prime numbers except for 15 21 25 and 27 which are composite numbers
Prime: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 Composite: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18
All of them except for 11, 13, 17 and 19 which are prime numbers
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
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