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.
It is 15
It is a composite number: 442 = 2 x 13 x 17
221 is a composite number having the factors 1, 13, 17, and 221.
15!
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.
15 is composite number 17, 19 and 23 are prime numbers.
It is 15
It is a composite number: 442 = 2 x 13 x 17
The whole number between 13 and 17 is 15
221 is a composite number. Other than itself and 1, its factors are 17 and 13.
221 is a composite number having the factors 1, 13, 17, and 221.
11713 is not prime. 11713 = 13 * 17 * 53
1105 is not prime. 1105 = 5 * 13 * 17
17 is a prime number - the next composite number after 17 is 18.