mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2016

8 December

Today's number is the second smallest number that can be written as a×b×c×d×e×f×g×h×i, where a,b,...,i are all integers greater than 1.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026