| 4443097 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 273 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 87 / 280 |
Estimated T-Level: 21.6 ⓘ TF below 2^67 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | David A McGough | 74045D217D15D7EE | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-12-15 | Mikkel Conradi | 74045D217D15D7EE | 3653862 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-10 | fordobr | DF3B7D124FD0A2C3 | 1 | 3250804 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-10 | g0b | CERT | Proof certified good | | 2025-03-10 | fordobr | C-PRP | M4443097/137882741717032629933068953 : DF3B7D124FD0A2C3 Proof Certified Good
Proof Power: 7
| | 2025-03-10 | fordobr | F-ECM | Factor: 137882741717032629933068953 / ECM curve 7, B1=72901, B2=88280115, Edwards Sigma=4842218302671318 | | 2024-11-17 | TheJudger | NF | no factor TF: 72-73 | | 2024-11-17 | TheJudger | NF | no factor TF: 71-72 | | 2023-02-16 | Sid & Andy | NF-PM1 | B1=6400000, B2=10293615150 | | 2021-08-09 | SRBase | NF | no factor TF: 70-71 | | 2021-07-21 | axn | NF | no factor TF: 69-70 | | 2021-05-17 | TJAOI | NF | no factor TF: 68-69 | | 2018-07-13 | Gordon Spence | NF | no factor TF: 66-67 | | 2018-06-26 | ramgeis | NF | no factor TF: 67-68 | | 2018-06-26 | ramgeis | NF | no factor TF: 66-67 | | 2016-11-01 | mikr | NF-PM1 | B1=1800000, B2=68000000, E=12 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-06-23 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-09-13 | monst | NF | no factor TF: 64-65 | | 2014-09-09 | Jayder | NF | no factor TF: 63-64 | | 2012-05-04 | Squeeky_Squirrel | NF-PM1 | B1=135000, B2=2733750, E=6 | | 2012-02-03 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2010-04-03 | Architects Cubed | NF | no factor TF: 61-62 | | 2009-08-07 | Carsten Kossendey | NF-PM1 | B1=25000, B2=356250 | | 1999-12-15 | -anonymous- | C-LL | 74045D217D15D7EE | | 1998-11-07 | Danie Viljoen | C-LL | A870CE355B01E8__ | | 1998-11-07 | Danie Viljoen | NF | no factor TF: 1-61 | | 1998-10-25 | Danie Viljoen | NF | no factor TF: 1-61 | | 1998-10-25 | Danie Viljoen | C-LL | A870CE355B01E8__ |
|
