AMC 8 2007 Problem 3
AMC8 2007 年第 3 题
整除与因数★☆☆☆☆
What is the sum of the two smallest prime factors of 250 ?
250 的最小的两个质因子之和是多少？
- A.2
- B.5
- C.7
- D.10
- E.12
正确答案 · Correct Answer
C
解析 · Solution
Solution 1
The prime factorization of 250 is . The smallest two are 2 and 5. .
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