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 2020

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

List of all puzzles


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2021