3 Dan
primenumber 
| Country/Region |  Japan |
|---|---|
| Birth Year | 1994 |
| X(Twitter) ID | @_primenumber |
| Codeforces ID | primenumber |
| Affiliation | 自堕落同好会 |
Contest Status
| Rank | 561st |
|---|---|
| Rating |  2256
|
| Highest Rating |  2464
―
3 Dan
(+136 to promote)
|
| Rated Matches | 96 |
| Last Competed | 2026/01/25 |