A number which has more than two factors is called a composite number.
Factors of 16 are 1, 2, 4, 8 and 16. As we can see that 16 has more than two factors so, it is a composite number.
Whereas 19 is prime because it has only two factors: 1 and 19.
231517 is composite number. 19 is a prime number.
19 is prime.
16 is a composite number because it has more than two factors
No, 19 is a prime number because it can only be multiplied by 2 factors which are 1 and 19. A composite number needs 3 factors.
It is a composite number.
It is a composite number
It is divisible by 19, so it is composite.
is a composite number because 2x8=16 16x1=16
No, 16 is not a square of a composite number. It is a square of a prime number, which is 4.
16 is a composite number as it has factors other than just 1 and itself (2 and 8 for example).
19 is a prime number.
38 is a composite number