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.
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.
A prime number is a number that is divisible only by 1 and itself; it has no other factors. A composite number is a number that is divisible by more than 2 numbers. The factors of 77 are 1, 7, 11, and 77. Therefore, 77 is a composite number.