What is the sum of the different positive prime factors of 250?  Choose the correct choice from the following:  A) 10  B) 11  C) 15  D) 7  E) 18
250   25*10 --&gt; 5*5*2*5 --&gt; 5+2=7. Remember its asking for the DIFFERENT positive prime factors of 250.   7
<result>D</result>
What is the sum of the different positive prime factors of 250?