If \(x\) and \(y\) are prime integers and \(x < y,\) which of the following cannot be true?

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B

C

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E

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If \(x\) and \(y\) are prime integers and \(x < y,\) which of the following cannot be true?

A. \(x\) is even

B. \(x+y\) is odd

C. \(xy\) is even

D. \(y+xy\) is even

E. \(2x+y\) is even

Answer: E

Source: Manhattan GMAT
Source: — Problem Solving |