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11-07-2017
Mathematics

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Which of the following is not a prime number 1057 263 3163 or 157

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aeiowoof aeiowoof

11-07-2017

1057 is not prime. It can be divisible by 7 or 151. In the future, you can test each of the numbers up to dividing by 13. After that, it's unlikely that they'll be prime. :D

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