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Bob says that to check whether a number is prime he just uses the divisibility rules he knows for 2, 3, 4, 5, 6, 8,

Bob says that to check whether a number is prime he just uses the divisibility rules he knows for 2, 3, 4, 5, 6, 8, and 10. He says if the number is not divisible by these numbers, then it is prime. How do you respond?

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