What is the sum of the different positive prime factors of 620?
Pick
A) 17
B) 24
C) 38
D) 47
E) 62
The prime factorization of 620   = 62 * 10   = 2*31 * 2*5   The sum of the different positive prime factors = 2+5+31= 
<gadget id="calculator">2+5+31</gadget>
<output>38</output>
38   The answer is 38.
<result>C</result>
What is the sum of the different positive prime factors of 620?