[求助]涛涛GWD 1-31

zynn7122

A positive integer n is said to be “prime-saturated” if the product of all the different positive prime factors of n is less than the square root of n.  What is the greatest two-digit prime-saturated integer?

 

A.     99

B.      98

C.      97

D.     96

E.      95

没太整明白题意。。哪位大人能指点一下啊~~~

justbp

选D吧。

题目的意思是一个整数N，N的不同质因子的乘积<根号N

[此贴子已经被作者于2009-6-18 10:21:00编辑过]