Quantity A: n! can be divisible by 990 where n!=1×2×3×…×n the least possible value of n Quantity B: 9

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问题 Quantity A: n! can be divisible by 990 where n!=1×2×3×…×n the least possible value of n
Quantity B: 9

选项 A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.

答案A

解析 此类题目往往是把某个数分解质因数990=2×5×32×11,因此n!中必定含有因子11,所以n最小为11,选择A。
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本试题收录于: GRE QUANTITATIVE题库GRE分类
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