9 and 15 are composite numbers because they have more than two factors
Chat with our AI personalities
It is 15 because it has more than two factors
No, 13 is a prime number and 15 is a composite number. A composite number is a positive integer that has more than two positive divisors.
15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.
11 and 13 are prime numbers but 15 is a composite number because it has more than two factors
It is 15