Puzzle Detail
Kenken Hard — Set 9
| 7/2 | 6= | 3- | 5= | 1= | ||||
| 4= | 5= | 3/ | 2- | 7= | ||||
| 1= | 9/ | 2= | ||||||
| 4 | 6 | 2= | 8= | 17+ | 3= | |||
| 3/ | 17+6 | 8+ | 27+ | |||||
| 4- | 7 | 2- | 8= | 6= | ||||
| 168x | 2/ | 1- | ||||||
| 6+ | 1- | 13+ | 36x | 6= | ||||
| 6= | 1- | 12+ | 45x | 1 | 2/ |
Show solution
| 2 | 6 | 8 | 9 | 4 | 3 | 5 | 7 | 1 |
| 1 | 2 | 4 | 5 | 9 | 6 | 3 | 8 | 7 |
| 7 | 1 | 9 | 3 | 5 | 2 | 6 | 4 | 8 |
| 9 | 4 | 6 | 1 | 2 | 8 | 7 | 3 | 5 |
| 4 | 8 | 3 | 2 | 6 | 7 | 1 | 5 | 9 |
| 5 | 9 | 2 | 7 | 1 | 4 | 8 | 6 | 3 |
| 8 | 7 | 5 | 6 | 3 | 1 | 2 | 9 | 4 |
| 3 | 5 | 1 | 8 | 7 | 9 | 4 | 2 | 6 |
| 6 | 3 | 7 | 4 | 8 | 5 | 9 | 1 | 2 |
Solver Notes
Our hard KenKen (mathdoku) puzzles feature large grids and complex cage calculations — designed for advanced solvers.
What makes a KenKen puzzle hard?
Hard KenKen uses 8x8 or 9x9 grids with long cage chains and ambiguous arithmetic combinations that require systematic elimination.
Are solutions provided?
Yes — every hard KenKen puzzle includes a verified solution.
Do I need to guess?
No — every puzzle has a unique logical solution requiring no guessing.