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GMAT Math Practice Test #1

Category - Math

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Which of the following is not a prime number? 1, 7, 11, 13

Explanation

Answer: 1 - An integer greater than one is called a prime number if it can only be divided by one and itself. By definition, that excludes 1 as a prime.

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GMAT Math Practice Test #1

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GMAT Math Practice Test #1

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