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# Q132) if the integer n is greater than 1 is n equal to 2?

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Manager
Joined: 01 Dec 2007
Posts: 52
Q132) if the integer n is greater than 1 is n equal to 2? [#permalink]

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30 Aug 2008, 02:40
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Q132) if the integer n is greater than 1 is n equal to 2?

1)n has exactly two positive factors.
2)the difference of any two distinct positibe factores of n is odd.

explaination
2) note tha if n>2 and n is odd then 1 and n are factors of n , and their difference is even. also if n >2 and n is even,
then 2 and n are factors of n and their difference is even.

Now according to me if we take even value of n >2 for example 6 as n value and take two factors of 6 in such a way that one factor of n be even i.e 2 and other factor of 6 be odd i.e 3 then , difference of factors will be 3-2 =1 (odd).Isn't that answer insufficient

6 could be value of n isn't it?
CEO
Joined: 17 Nov 2007
Posts: 3525
Concentration: Entrepreneurship, Other
Schools: Chicago (Booth) - Class of 2011
GMAT 1: 750 Q50 V40
Re: q#132 DATA SUFFICIENCY OG 11th edition page 331 [#permalink]

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30 Aug 2008, 03:23
blover wrote:
2)the difference of any two distinct positive factors of n is odd.
6 could be value of n isn't it?

No, we can choose 6 and 2 as factors of 6. 6-2=4 even. Therefore, difference of not all positive factors of 6 are odd.
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Re: q#132 DATA SUFFICIENCY OG 11th edition page 331   [#permalink] 30 Aug 2008, 03:23
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# Q132) if the integer n is greater than 1 is n equal to 2?

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