All the factorials you know

If \(n\geq 5\), find the last digit of \(1! + 2! + 3!+ \cdots + n! \).

\[\] Notation: \(!\) denotes the factorial notation. For example, \(8! = 1\times2\times3\times\cdots\times8 \).

×

Problem Loading...

Note Loading...

Set Loading...