Is 77 a prime or composite number?

Answer 1

7 is a factor of 77 so it cannot be a prime. So it has to be composite.
It is composite since 7 x 11 is 77 and those are both primes. That is to say, it is the product of two primes and that makes it composite.

Answer 2

It is composite. 77 = 7 x 11.
Composite.

Answer 3

77 is a composite number because it has more than two factors

Answer 4

It is a composite number.