1798 is a composite number. A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 have a different name.
Yes, it is composite.
No.
It is not a prime number, it is a composite number.
It is not a prime number, it is a composite number.
It is a composite number, not a prime number.
It is a prime number, and therefore not a composite number.251 is prime.
It is a Prime number, and therefore not a composite number.211 is a prime number.
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
Every positive integer greater than 1 is either prime or composite.
There is no number that is prime and composite - the two are opposites.