Think to yourself - can this number be divided by any other number and have an answer that does not have any remainder or fraction left over.
27 cannot be divided by any other number without having 'left overs.'
28 can be divided by 7 or 4 without 'left overs.' 28 divided by 7 is 4, etc.
Another answer:
They are both composite because each of them has more than two factors
Factors of 27 are 1 3 9 27
No because they are both composite numbers
27 is composite.
The number 27 is composite.
27 is a composite number.
27 is a composite number having prime factors 3x3x3 or 33.
composite
Composite.
70 is a Composite Number.
It is composite.
27 and 31 are prime.
70 is a composite number because it has more than two factors
It is a composite number.