| 2605927 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 230 / 280 |
Estimated T-Level: 24.1 ⓘ TF below 2^75 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Louis Towles | 9D0E9C591F1AE226 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-05-09 | Edo de Roo Jankovic | 9D0E9C591F1AE226 | 2176972 | Windows,Prime95,v18,(aka WU1) |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Factored | Certified Good Power=7 | 2026-10-04 | Jason Lynch | BE83732674A12E89 | 2583207 | 1 | 3 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-15 | Oliver Kruse | BE83732674A12E89 | 1 | 422401 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-02 | kkmrkkblmbrbk | BE83732674A12E89 | 1 | 2416219 | 5 | 3 | | Verified | Certified Good | 2024-04-20 | fbaur | BE83732674A12E89 | 2 | 309242 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-10-04 | Khurshid Suyunov | CERT | Proof certified good | | 2026-10-04 | Jason Lynch | C-PRP | BE83732674A12E89
Proof Certified Good
Proof Power: 7
| | 2024-04-20 | JG48 | CERT | Proof certified good | | 2024-04-20 | fbaur | C-PRP | M2605927/30129186898231538167/23431177136504264944511 : BE83732674A12E89
Proof Certified Good
Proof Power: 7
| | 2024-04-20 | fbaur | F-ECM | Factor: 23431177136504264944511 / ECM curve 4, B1=50000, B2=21617310, Edwards Sigma=3557804036863767 | | 2022-03-11 | LordJulius | NF | no factor TF: 1-60 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | kkmrkkblmbrbk | C-PRP | M2605927/30129186898231538167 : BE83732674A12E89 | | 2017-10-15 | Oliver Kruse | C-PRP | M2605927/30129186898231538167 : BE83732674A12E89 | | 2009-02-21 | maxybo | F-ECM | Factor: 30129186898231538167 | | 2009-01-27 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-11-08 | Team Prime Rib | NF-PM1 | B1=15000, B2=217500 | | 2003-10-31 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 2003-01-25 | edoderoo | C-LL | 9D0E9C591F1AE226 | | 2003-01-25 | edoderoo | NF | no factor TF: 1-59 | | 1999-05-09 | edoderoo | C-LL | 9D0E9C591F1AE226 | | 1999-03-26 | edoderoo | NF | no factor TF: 1-59 |
|