109 is prime.
It is a composite number.
10 is a composite number
prime
It is composite.
composite
It is composite.
composite
The bottom branch of a factor tree consists entirely of prime numbers.
87 is NOT a prime number.
87 is not a prime number because 87 is divisible by 3 and 29.
Well, 59 is a prime number but87 is not a prime number!87 can be divided by more then 1 and itself, (87/3=29)59 cant.So that makes 59 a prime number and 87 is not a prime number!