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9 July, 05:55

Which of the following is NOT prime number? A 1057 B 3163 C 157 D263

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  1. 9 July, 06:03
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    1057 we can divide by 7
  2. 9 July, 06:11
    0
    A prime number is a number that is only divisible by 1 and itself, no other number can divide a prime number completely, there will always be some numbers remaining. In the question given above, the correct option is A. This is because 7 will completely divide 7 to give 151.
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