10 is a composite number
prime
109 is prime.
composite
It is composite.
composite
It is composite.
It is a composite number.
87 is composite.
The bottom branch of a factor tree consists entirely of prime numbers.
Yes.
396 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are every other positive integer except 1 and 0. 1 and 0 are neither prime, nor composite.
If that's 3, 6, and 10, 3 is prime. If that's 36 and 10, neither is prime.