2 is a prime number and 15 is a composite number.
15 is composite.
15 is a composite number. 11 is a prime number.
composite because 3 and 5 will go into it
47 is a prime, the other two are composite.
15 is a composite number because it has more than two factors. Its factors are 1, 3, 5, and 15.15 is a composite number as it is divisible by 1, 3, 5 and 15.composite. 3*5=1515 is a composite number because it has more than 2 factors
A composite number is a number that has smaller factors (excluding 1). A prime number is one that doesn't (1 is not considered prime nor composite, because of its special role in multiplication).Since 15 is divisible by 3, it is composite.
1 is not composite or prime.
15 is a composite number - it is the product of 3 and 5. (3*5=15)
15 is composite number
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.
There are 15 prime numbers and 34 composite numbers because 1 is not considered to be a prime or composite number