15 is the only composite factor of 15.
composite because 3 and 5 will go into it
The first 12 composite numbers are.... 4,6,8,9,10,12,14,15,16,18,20,21,A composite number is basically any number that can go into that number, so like 15 is a composite number because 15x1=15,and then 5x3=15. That's two or more pair of numbers.
It is 11.
It's a Prime number
15 is composite number
No because 11 is a prime number but the rest of them are composite numbers.
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 because it has more than two factors
9 and 15 are composite numbers because they have more than two factors
1331 is a composite number. It is equal to 11 x 11 x 11, or 113.
15 is composite.
15 is the only composite factor of 15.
11 and 13 are prime numbers but 15 is a composite number because it has more than two factors
2 is a prime number and 15 is a composite number.
15 is a composite. Its factors are 1, 3, 5, and 15.
composite because 3 and 5 will go into it