Question

    Which of the following is a prime

    number?
    A 527 Correct Answer Incorrect Answer
    B 867 Correct Answer Incorrect Answer
    C 733 Correct Answer Incorrect Answer
    D 391 Correct Answer Incorrect Answer

    Solution

    527 = 31  17 So it is not a prime number. 867 = 51  17 So it is not a prime number. 884 = 52  17 So it is not a prime number. 733 is a prime number because it is not divisible by any number except 1 & itself. 391 = 17  23 So it is not a prime number.

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