10 December

This number is divisible by 2. One more than this number is divisible by 3. Two more than this number is divisible by 5. Three more than this number is divisible by 7. Four more than this number is divisible by 11. Five more than this number is divisible by 13.


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


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


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