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Question

The smallest 3 digit prime number is:

Options:
A .  101
B .  103
C .  109
D .  113
Answer: Option A

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


 100 is not a prime number.


101 < 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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