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    Question

    Which of the following is a prime

    number?
    A 1089 Correct Answer Incorrect Answer
    B 529 Correct Answer Incorrect Answer
    C 1163 Correct Answer Incorrect Answer
    D 1369 Correct Answer Incorrect Answer

    Solution

    1089 = 33  33 So it is not a prime number. 1369 = 37  37 So it is not a prime number. 529 = 23  23 So it is not a prime number. 1163 is a prime number because it is not divisible by any number except 1 & itself. 589 = 19  31 So it is not a prime number.

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