1. The problem is to evaluate the expression $2!$. 2. Recall that the factorial function $n!$ is defined as the product of all positive integers from 1 to $n$. 3. For $2!$, this means: $$2! = 2 \times 1$$ 4. Calculate the product: $$2! = 2$$ 5. Therefore, the value of $2!$ is 2.