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.
109 is prime.
composite
It is composite.
composite
It is a composite number.
prime
109 is prime.
It is composite.
composite
It is composite.
composite
It is a composite number.
87 is composite.
10 is a composite number
The bottom branch of a factor tree consists entirely of prime numbers.
Prime factors of 396: 2, 2, 3, 3, 11
no it's divisible by 2