AMC 8 2012 Problem 18

AMC8 2012 年第 18

整除与因数★★★☆☆
What is the smallest positive integer that is neither prime nor square and that has no prime factor less than 50?
有一个正整数,既不是质数,也不是完全平方数,且没有小于 50 的质因数。那么符合要求的最小正整数是多少?
  1. A.3127\hspace{.05in}3127
  2. B.3133\hspace{.05in}3133
  3. C.3137\hspace{.05in}3137
  4. D.3139\hspace{.05in}3139
  5. E.3149\hspace{.05in}3149

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

继续练习

真题版权归属 MAA(AMC)。本站仅供学习用途。版权方如有异议,请联系本站予以下架。

Problems © MAA (AMC). This site is for study purposes only. Rightsholders may contact us for removal.