2000 AMC 12 Problem 7
Below is the professionally curated solution for Problem 7 of the 2000 AMC 12, from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 2000 AMC 12 solutions, or check the answer key.
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Difficulty rating: 1370
7.
How many positive integers have the property that is a positive integer?
Solution:
If then so must be a positive divisor of
The possibilities give that is, and
There are such values of
Thus, the correct answer is E.
Problem 7 in Other Years
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