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The smallest 3 digit prime number is:

Correct Answer: 101

Explanation:

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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