| 6003409 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 274 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 23 / 280 |
Estimated T-Level: 20.4 ⓘ TF below 2^63 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-09-14 | Mike Harris | D35DA7C72ECC09A1 | 1287585 | Windows,Prime95,v18,NT service,(aka WU5) | | Factored | 2001-05-06 | Colin Percival | D35DA7C72ECC09A1 | 4120878 | Windows,Prime95,v20,(aka WW1) | | Factored | 2001-05-13 | Kent Tan | D35DA7C72ECC09A1 | 3753292 | Linux 32-bit,Prime95,v20,(aka WW2) | | Factored | 2016-02-18 | Vteam | D35DA7C72ECC09A1 | 2694988 | Windows 64-bit,Prime95,v28.5,build 2 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-03 | xyuzyz | BD647AE557FC1BB3 | 1 | 5003295 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-03 | ANONYMOUS | CERT | Proof certified good | | 2025-03-03 | xyuzyz | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-02-24 | NStorm | F-ECM | Factor: 36128973282240413395228249 / ECM curve 9, B1=50000, B2=31134285, Edwards Sigma=2669192281939261 | | 2023-05-17 | takahashi | NF | no factor TF: 73-74 | | 2022-02-02 | lycorn | NF-PM1 | B1=2000000, B2=6017824890 | | 2022-02-02 | lycorn | NF-PM1 | B1=2500000, B2=6017824890 | | 2021-12-15 | takahashi | NF | no factor TF: 72-73 | | 2021-08-16 | takahashi | NF | no factor TF: 71-72 | | 2019-11-24 | Yxinity | NF | no factor TF: 70-71 | | 2018-12-07 | Yxinity | NF | no factor TF: 69-70 | | 2018-11-26 | GdS | NF | no factor TF: 68-69 | | 2017-09-21 | mikr | NF-PM1 | B1=1250000, B2=50000000, E=12 | | 2017-09-10 | mikr | NF | no factor TF: 67-68 | | 2016-03-09 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-02-18 | Vteam | C-LL | D35DA7C72ECC09A1 | | 2015-09-29 | Bruno Victal | NF | no factor TF: 65-66 | | 2014-01-05 | lycorn | NF | no factor TF: 64-65 | | 2014-01-05 | kracker | NF | no factor TF: 63-64 | | 2013-01-11 | Squeeky_Squirrel | NF-PM1 | B1=110000, B2=2172500, E=6 | | 2001-05-13 | -anonymous- | C-LL | D35DA7C72ECC09A1 | | 2001-05-06 | -anonymous- | C-LL | D35DA7C72ECC09A1 | | 2001-04-08 | -anonymous- | NF-PM1 | B1=25000, B2=225000 | | 2001-01-08 | -anonymous- | NF-PM1 | B1=25000, B2=250000 | | 1999-09-14 | -anonymous- | C-LL | D35DA7C72ECC09A1 | | 1999-01-10 | -anonymous- | C-LL | 0CA942356E1B6E__ | | 1998-06-01 | -anonymous- | NF | no factor TF: 1-62 | | 1998-02-08 | -anonymous- | NF | no factor TF: 1-61 |
|
