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Factors

Expert replies
Source: — Data Sufficiency |

by sanju09 » Thu Feb 16, 2012 3:16 am
rijul007 wrote:If z is a positive integer, does z have more than 2 positive integer factors?

(1) 23 < z < 29

(2) z is odd.
Rephrasing: Is the positive integer z composite?

I. All positive integers between 23 and 29 are composites, hence YES. Sufficient

II. If z is an odd positive integer, it could be composite, prime, or neither, Insufficient


[spoiler]Take A[/spoiler]
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