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Review: Prime Number and Remainder
Explanation
We can approach this question through analysis of possible
cases. The variable n could be 5. In
that case, 
and 
,
so the remainder is 1. In another possible case, n could be 7. In that case, 
and 
.
The remainder is again 1. From the way the question is written, it must be true
that 1 is the remainder for all prime numbers greater than 3, since we know
there is one and only one correct answer to any GMAT question.
The correct answer is (B).
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