648 is not prime. 648 = 2 * 2 * 2 * 3 * 3 * 3 * 3
It is definitely a composite.
Reason it ends in an even number , so '2' is one of its composite factors.
NB Prime number greater than '2' , end in '1' '3' '7' or '9'
648 is composite.
composite, obviously
it is
It is not a prime number, it is a composite number.
It is prime
86 is not a prime number, so is a composite.
It is a Prime number, and therefore not a composite number.211 is a prime number.
No 168 is not a prime number it is a composite number
Is 293 a composite or a prime number?
The number is not COMPOSITE. Instead, it is a prime number.
A prime number has two factors, a composite number has more than two.
Composite (the only even number that is prime is2).