One hundred factorial

How many zeros does \(100!\) end with?

Show answer & extension

If you enjoyed this puzzle, check out Sunday Afternoon Maths XL,
puzzles about numbers, or a random puzzle.


Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles


christmas games calculus grids pascal's triangle tiling hexagons elections menace cards the only crossnumber scales palindromes cryptic clues square numbers volume parabolas cryptic crossnumbers crossnumber coins addition arrows floors people maths algebra logic graphs fractions chess polygons wordplay division symmetry 3d shapes products coordinates factorials money triangle numbers unit fractions ave probability clocks perimeter irreducible numbers spheres bases ellipses range area averages square roots dice doubling proportion books advent trigonometry mean partitions perfect numbers geometry indices multiplication functions quadratics regular shapes circles rugby integers remainders factors dodecagons chalkdust crossnumber shapes means digits star numbers sums speed dominos multiples complex numbers time squares crosswords digital clocks planes routes gerrymandering numbers dates angles cube numbers sequences differentiation 2d shapes number chocolate prime numbers folding tube maps triangles rectangles lines percentages crossnumbers balancing sum to infinity shape integration sport surds median probabilty colouring odd numbers taxicab geometry


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020