AMC 8 2016 Problem 9
AMC8 2016 年第 9 题
整除与因数★★☆☆☆
What is the sum of the distinct prime integer divisors of 2016 ?
2016 的不同质因数之和是多少？
- A.9
- B.12
- C.16
- D.49
- E.63
正确答案 · Correct Answer
B
解析 · Solution
Solution 1
The prime factorization is . Since the problem is only asking us for the distinct prime factors, we have 2,3,7. Their desired sum is then 12.
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