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jmc

prealgebra intermediate

Problem

What is the sum of the prime factors of 85,085?

Solution

85085 = 85 \cdot 1001 = (5 \cdot 17) \cdot (11 \cdot 91) = 5 \cdot 17 \cdot 11 \cdot (7 \cdot 13)

. So the sum of its prime factors is

5 + 17 + 11 + 7 + 13 = 53

Final answer

53