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24 Oct 2012, 05:05
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
54% (01:24) correct
46%
(01:15)
wrong
based on 238
sessions
History
Date
Time
Result
Not Attempted Yet
If x is a positive integer greater than 1, does x have at least 3 positive integer factors?
(1) x is even.
(2) x is a factor of 38.
(1) x is even.
(2) x is a factor of 38.
24 Oct 2012, 05:27
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If x is a positive integer greater than 1, does x have at least 3 positive integer factors?
(1) x is even. Clearly insufficient: if \(x=2\), then the answer is NO but if \(x=4\), then the answer is YES. Not sufficient.
(2) x is a factor of 38. The factors of 38=2*19 are: 1, 2, 19 and 38. If \(x=2\), then the answer is NO but if \(x=38\), then the answer is YES. Not sufficient.
(1)+(2) If \(x=2=even\), then the answer is NO but if \(x=38=even\), then the answer is YES. Not sufficient.
Answer: E.
Hope it's clear.
(1) x is even. Clearly insufficient: if \(x=2\), then the answer is NO but if \(x=4\), then the answer is YES. Not sufficient.
(2) x is a factor of 38. The factors of 38=2*19 are: 1, 2, 19 and 38. If \(x=2\), then the answer is NO but if \(x=38\), then the answer is YES. Not sufficient.
(1)+(2) If \(x=2=even\), then the answer is NO but if \(x=38=even\), then the answer is YES. Not sufficient.
Answer: E.
Hope it's clear.
sobby
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Joined: 14 Nov 2014
Last visit: 24 Jan 2022
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GMAT 1: 700 Q50 V34
GPA: 3.76
29 Jan 2017, 10:39
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Bunuel
Hi Bunuel,
38 have four factor:1,2,19,38 itself ..
B would be sufficient to answer ...am i missing something...?
