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  1. The smallest 3 digit prime number is:

  2. A.

    101

    B.

    103

    C.

    109

    D.

    113

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    Answer : Option A

    Explanation :

    The smallest 3-digit number is 100, which is divisible by 2.

     100 is not a prime number.

    \(\sqrt{100} \) less than 11 and 101 is not divisible by any of the prime numbers 2, 3, 5, 7, 11.

    101 is a prime number.

    Hence 101 is the smallest 3-digit prime number.


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