| Math Challenges | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Score | Title | Author | Solvers | Age | Votes | Difficulty | Education | Fun | Forums |
| 2 | Prime Factory Door ch0wch0w | 7767 | 16y 38d | 569 |
1.98 | 2.80 | 3.36 |  |
|
| 3 | hi Door Gizmore | 2032 | 16y 38d | 146 |
2.40 | 3.30 | 3.50 | |
|
| 2 | Training: Math Pyramid Door Gizmore | 1869 | 13y 158d | 143 |
4.13 | 4.15 | 5.31 | |
|
| 3 | Flow Over Astronomy Door anto | 386 | 15y 302d | 42 |
4.38 | 5.38 | 5.52 | |
|
| 2 | Training: Checksums Door gizmore | 61 | 1y 268d | 14 |
2.00 | 1.57 | 3.50 | |
|
| 6 | Babbage and Coldplay Door ludde | 45 | 12y 230d | 13 |
6.08 | 6.38 | 7.38 | |
|
| 5 | Valentine's Gold Door gizmore en tehron | 5 | 86d 23h | 3 |
3.67 | 5.00 | 10.00 | |
|