What is the remainder when \(n^2+7\) is divided by \(8,\) where \(n\) is an odd prime number?

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by VJesus12 » Thu Apr 08, 2021 11:51 am

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What is the remainder when \(n^2+7\) is divided by \(8,\) where \(n\) is an odd prime number?

A. 0
B. 2
C. 3
D. 4
E. 6

Answer: A

Source: e-GMAT

Source: Beat The GMAT — Problem Solving | Thu Apr 08, 2021 11:51 am

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