Question

@Mathmatics
rs. Atkison asked her class to explain why 13 is a prime number. Which student answered correctly?



Anthony said, “It is prime because 1 and 3 are prime numbers.”



Betty said, “It is prime because the only factors of 13 are 1 and 13.”



Cindi said, “It is prime because 1 × 3 equals 3 which is a prime number.”



Drew said, “It is prime because 1 + 3 equals 4 which is a composite number.

Answer 1

Betty is the right answer.

Answer 2

thanks

Answer 3

i was thinking that to

Answer 4

I think Betty Was right. :)