Data Sufficiency
试题详情
题目：
How many different factors does the integer n have?
(1) n = a4b3, where a and b are different positive prime numbers.
(2) The only positive prime numbers that are factors of n are 5 and 7.
选项:
答案:
A
提问：
老师想提问一个其他的题，是线上课程讲过的
How many different prime numbers are factors of the positive integer n?
1)Four different prime numbers are factor of 2n.
2)Four different prime numbers are factor of n^2
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