Is 181 prime or composite? Justify your answer. (1 point) Responses 181 is prime because it has a factor of 9. 181 is prime because it has a factor of 9. 181 is prime because its only factors are 1 and itself. 181 is prime because its only factors are 1 and itself. 181 is composite because it has a factor of 9. 181 is composite because it has a factor of 9. 181 is composite because it has a factor of 3.
The correct answer is:
181 is prime because its only factors are 1 and itself.