0
15 has more than exactly two factors (1, 3, 5, and 15), therefore it is composite.
17, 19, and 23 each have exactly 2 factors (1 and the number itself), so they are primes.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
Which is a composite Number 15 17 19 or 23?
15 is composite number 17, 19 and 23 are prime numbers.
What is a composite number 23 15 17 and 13?
15!
The number 17 is a composite number?
No
Is 56 and 17 a composite number?
56 + 17 = 73 The only factors of 73 are 1 and itself. It is a prime number, not a composite number.
Is 17 prime or composite number?
It is prime
IS 51 prime 0r composite?
51 is a composite number 3 x 17 = 51
Which is a composite Number 15 17 19 or 23?
15 is composite number 17, 19 and 23 are prime numbers.
What is a composite number 23 15 17 and 13?
15!
Which is a composite number 13 15 17 23?
15
Which number is composite 15 17 19 23?
15 is. In addition to ' 1 ' and itself, it has the additional factors 3 and 5 .
Which is a composite number 7 9 11 13 15 or 17?
9 and 15 are composite numbers because they have more than two factors
What is the next composite number after 17?
17 is a prime number - the next composite number after 17 is 18.
A number between 11 and 20 that is both composite and odd?
15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.
Is 289 a prime number or a composite number?
289 is composite. 289 = 17 * 17 = 172
What is the composite number after 17?
The number after 17 is 18.
Why is 17 not composite?
17 is not a composite number because composite numbers have other factors aside from 1 and itself. Factors of 17 are only 1 and 17, thus, 17 is a prime number.
The number 17 is a composite number?
No
