此题怎解?

shayuamerica

Q31:

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

woodrowzt

我觉得这道题就一个个去计算吧。
D是正确的
96=2^5 *3

2*3<96的根号

其他都不对

shayuamerica

谢谢拉!