GWD-1-31,"prime-saturated"什么意思吗？

citicsbond · 发表于 2006-7-14 16:00:00

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

what's the correct answer, and why?

[此贴子已经被作者于2006-7-14 16:13:01编辑过]

qqy666 · 发表于 2006-7-14 16:07:00

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.

这句话就在解释阿，n是指它所有的质因子小于根号n的数

citicsbond · 发表于 2006-7-14 16:19:00

是N的所有不同质因子的积小于N的平方根。

答案是96，细心读题，就可以了。

beibeideng · 发表于 2006-7-14 19:52:00

D

每个代入就可以了。

题目已经解释了PRIME-SATURATED的意思

christlulu · 发表于 2006-10-29 16:56:00

原来漏看了个PRODUCT...

bluestar2006 · 发表于 2006-10-30 12:30:00

这题我考到了，一模一样，当时也是晕了不懂什么意识，足足花了我５分钟，还好最后感觉应该是Ｄ．ＸＤＪＭ，这是ＪＪ．

carriexu · 发表于 2008-11-26 21:34:00

GWD-1-31,"prime-saturated"什么意思吗？

GWD-1-31,"prime-saturated"什么意思吗？

所属分类: GMAT考试

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