consider the numbers 13,16,27 and 41. a. which of these are prime? how do you know ? b. which of these numbers are composite ? how do you know?
a. The numbers 13 and 41 are prime because they cannot be divided evenly by any other number except for 1 and themselves.
b. The numbers 16 and 27 are composite. 16 can be divided evenly by 2, 4, 8, and itself, while 27 can be divided evenly by 3, 9, and itself. Composite numbers have more than two factors and can be divided evenly by numbers other than 1 and themselves.