mscroggs.co.uk
mscroggs.co.uk

subscribe

# Puzzles

## Archive

Show me a Random Puzzle
▼ show ▼

## 17 December

In March, I posted the puzzle One Hundred Factorial, which asked how many zeros 100! ends with.
What is the smallest number, n, such that n! ends with 50 zeros?

## One Hundred Factorial

How many zeros does $$100!$$ end with?
© Matthew Scroggs 2017