Sudoku Number Of Possible Combinations

https://godoku.com/play/killer/combinations
Below are all possible combinations of numbers that can be placed in a Killer Sudoku cage given the cage size and the cage total This will help you to quickly note all possibilities for any given cage when solving a Killer Sudoku puzzle

https://math.stackexchange.com/questions/275422
Based on the equation 9 2 9 the number of possible sudoku puzzles is exactly 1 185 137 049 600

https://masteringsudoku.com/mathematics-of-sudoku
A computer science paper by Gary McGuire Bastian Tugemann and Gilles Civario found that the minimum number of givens possible for a unique puzzle is 17 That is in terms of regular Sudoku it is not possible for a puzzle to contain 16 or fewer digits and still have a unique solution

https://puzzling.stackexchange.com/questions/2
If the sudoku is defined to have multiple solutions then brute forcing is one way but it is also possible to pre compute all possible solutions for all inputs and look up the result that way a rainbow table

https://masteringsudoku.com/how-many-sudoku-puzzles-are-there
How many possible Sudoku combinations are there There are 6 670 903 752 021 072 936 960 unique possible Sudoku grids

https://www.brainbashers.com/combinations.asp
Killer Sudoku Combinations These clues are sometimes the only way you can start a puzzle so these combinations are worth remembering The numbers shown in green are those where there is only one combination For example there is only one way to make 17 with two digits 8 9 2 Digit Combinations 3 12 4 13 5 14 23 6 15 24 7 16 25

https://www.arkadium.com/blog/how-many-sudoku-puzzles-are-there
To help you familiarize yourself with the seemingly endless number of possible Sudoku combinations and types let s look at some of the Sudoku puzzles you should know Number Sudoku The most common type of Sudoku you are likely to encounter is the numbers Sudoku

https://www.britannica.com/story/will-we-ever-run...
There are 6 670 903 752 021 072 936 960 possible solvable Sudoku grids that yield a unique result that s 6 sextillion 670 quintillion 903 quadrillion 752 trillion 21 billion 72 million 936 thousand 960 in case you were wondering That s way more than the number of stars in the universe

https://www.sudopedia.org/wiki/Cage_combinations
A Killer Sudoku contains cages and cage sums Knowing the number of cells in a cage and its sum we can determine the possible cage combinations i e the possible combinations of digits that can go into the cage