[[1]] is the smallest prime number.

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Detailed Solution

Concept: Two (2) is the smallest prime number. A prime number is defined as a number with only two factors, namely "1" and the number itself. Prime numbers are also numbers greater than 1. To get the least prime number, use this characteristic with the concept of a prime number. Contrary to popular belief, neither an even number nor an odd number is necessarily a prime.
In mathematics, natural numbers are those that are used for counting and ordering, such as

1, 2, 3, and 4 .

We know that a prime number is a natural number higher than 1 that is not a product of two smaller natural numbers.
In other words, a prime number is one that can only be divided by itself and by one, meaning that it only has two factors: the number itself and one.
So let's look up the math smallest prime number. We don't need to check whether or not "1" is a prime number because we established that a prime number will always be greater than 1. Therefore, we should begin confirming with the number

" 2 . "

Since 2 only has two components, "1" and the number itself, we can conclude that there are only two factors of

2 .

As a result, according to the definition of a prime number, which is any number with the two factors 1 and the number itself, "2" is both a prime number and the least common among them.
Henec,