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Is n equal to 2

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Is n equal to 2

by beat_gmat_09 » Wed May 12, 2010 5:43 am
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 positive factors of n is odd.
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Source: — Data Sufficiency |
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by liferocks » Wed May 12, 2010 7:20 am
From 1,
n can be any prime number..insufficient

From 2,
n can be any power of 2 ,like 2,4,8 etc...insufficient

combining

n=2..sufficient

Ans option C
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