| 5236237 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 86 / 280 |
Estimated T-Level: 21.5 ⓘ TF below 2^67 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | StarPaladin | D8E19BC73B542B5C | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 2000-10-15 | Wim Simons | D8E19BC73B542B5C | 925427 | Linux 32-bit,Prime95,v18,(aka WU2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-14 | pilotpsk | 697E14ADA7F8B7C9 | 1 | 962534 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-14 | Marvinist | CERT | Proof certified good | | 2025-02-14 | pilotpsk | C-PRP | M5236237/59554169408620291405845839 : 697E14ADA7F8B7C9 Proof Certified Good
Proof Power: 7
| | 2025-02-06 | fordobr | F-ECM | Factor: 59554169408620291405845839 / ECM curve 41, B1=50000, B2=60054225, Edwards Sigma=5387041377395694 | | 2025-02-04 | Jason Lynch | NF-PM1 | B1=14335000, B2=238819941360 | | 2021-09-19 | axn | NF-PM1 | B1=8000000, B2=400000000 | | 2021-09-16 | SRBase | NF | no factor TF: 71-72 | | 2021-08-24 | SRBase | NF | no factor TF: 70-71 | | 2021-08-17 | SRBase | NF | no factor TF: 69-70 | | 2020-10-19 | TJAOI | NF | no factor TF: 68-69 | | 2019-02-13 | USAFSS | NF-PM1 | B1=315000, B2=9213750, E=12 | | 2018-06-17 | ramgeis | NF | no factor TF: 67-68 | | 2016-06-01 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-11 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-22 | VictordeHollander | NF | no factor TF: 64-65 | | 2014-12-22 | VictordeHollander | NF | no factor TF: 63-64 | | 2010-06-18 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=975000, E=6 | | 2009-08-21 | Carsten Kossendey | NF-PM1 | B1=25000, B2=337500 | | 2009-06-11 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2002-10-07 | David Campeau | NF | no factor TF: 1-62 | | 2000-10-15 | -anonymous- | C-LL | D8E19BC73B542B5C |
|
