如果整数a和n大于1,并且前8个正整数的乘积是a ^n 的倍数,则a是多少?
(1) a ^n =64 a=4,n=3或者a=2,n=6 ,条件1不充分
(2)n=6 因为前8个正整数的乘积8!＝2^7*3^2*5*7,因为n=6,因此a只可能是2,条件2充分
答案是B
求问一道GMAT数学DS题If the integers a and n are greater than 1,and
1个回答
相关问题
-
GMAT if n is a positive integer and the product of all integ
-
麻烦做一道gmat数学题if s and t are positive integers such that s/t=6
-
gmat数学求教啊~Of the three-digit integers greater than 700 , how
-
sat的2道数学题!1.If j k and n are consecutive integers such that
-
How many positive integers greater then 5 and less than 500
-
SAT数学题A simple square is any integer greater than 1 that has
-
一道SAT数学题If a,b,and c are different positive integers such th
-
If n is a positive integer，and
-
一道Gmat数学题!For any positive integer n,the sum of the first n
-
一道GMAT数学题if ° represents one of the operations +,- ,and x,is