Which of the following are/is prime?
I. 143
II. 145
III. 149  Choose the correct choice from the following choices
A) II only  B) III only  C) III  D) IIII  E) I, II,III
1) 143 = 13*11 so we know it is not prime quickly eliminate all options having 1 as a choice   which leaves us with 2 ) and 3) as possible answers   From here on we find 147 = 3* 49 so we eliminate 147 which leaves us with 149 as the only possible solution   II only
<result>A</result>
Which of the following are/is prime?
I. 143
II. 145
III. 149