Q17:
How many prime numbers between 1 and 100 are factors of 7,150 ?
A. One
B. Two
C. Three
D. Four
E. Five
Answer: D
7150=5*5*2*13*11我觉得应该是选E啊,难道2不是质数吗?质数的定义是除了1和他本身不能被其他数整除的数啊
欢迎光临 国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/) | Powered by Discuz! 7.2 |