# Puzzles

## Factorial pattern

$$1\times1!=2!-1$$ $$1\times1!+2\times2!=3!-1$$ $$1\times1!+2\times2!+3\times3!=4!-1$$Does this pattern continue?

If you enjoyed this puzzle, check out Sunday Afternoon Maths LVIII,

puzzles about factorials, or a random puzzle.

puzzles about factorials, or a random puzzle.