prime –
only has one set of factors, can only be divided by 1 and itself
composite –
has more than one set of factors, can be divided by at least 3 numbers
is 17 a prime number? why or why not?
17 is a prime number because it can’t be divided by any other number besides for 1 and itself.
is 18 a composite number? why or why not?
18 is a composite number because it can be divided by 1, 2, 3, 6, 9, and itself.
is 204 a prime number?
no
is 25 a composite number?
yes
is 31 a prime number?
no