The smallest 3-digit prime number is

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101

103

109

113

answer is A.

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Detailed Solution

Consider the smallest three-digit number, 100, for example.

\frac{100}{2} = 50

Since, the prime number group does not include the number 100.
Let's take the prime number 101, which cannot be split by 2, 3, 5, or 7.
So, a prime number is 101.
As a result, the set of three-digit primes with the smallest size includes 101.
Option 1 is Correct.

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