24 December

Today's number is the largest possible remainder which can be obtained when dividing one of the answers in this advent calendar by another answer smaller than it (not including today's answer!).


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


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


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