| 5003329 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 273 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 80 / 280 |
Estimated T-Level: 21.4 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-08-09 | Martin Koster | 830363BA21A5B16F | 0 | Windows,Prime95,v16,NT service,(aka WS5) | | Factored | 2000-03-22 | David Linton | 830363BA21A5B16F | 1729109 | 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 | mrh | 3AFD52BB318E68E1 | 1 | 1368381 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-10 | StefanSku | CERT | Proof certified good | | 2025-03-10 | mrh | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-03-04 | Andrey Dobrynin | F-ECM | Factor: 336196471960493551462863127 / ECM curve 26, B1=50000, B2=64857975, Edwards Sigma=1510200080376333 | | 2022-04-19 | Sid & Andy | NF-PM1 | B1=4000000, B2=9177537600 | | 2021-10-14 | ATH | NF-PP1 | Start=2/7, B1=1000000, B2=30000000 | | 2021-04-04 | -anonymous- | NF | no factor TF: 72-73 | | 2021-04-03 | -anonymous- | NF | no factor TF: 71-72 | | 2021-04-01 | -anonymous- | NF | no factor TF: 70-71 | | 2021-04-01 | -anonymous- | NF | no factor TF: 69-70 | | 2021-03-01 | TJAOI | NF | no factor TF: 68-69 | | 2018-05-07 | mikr | NF-PM1 | B1=3600000, B2=120000000, E=12 | | 2017-10-04 | mikr | NF | no factor TF: 67-68 | | 2017-02-12 | Squeeky_Squirrel | NF-PM1 | B1=300000, B2=9375000, E=12 | | 2016-05-13 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 61-63 | | 2015-04-20 | Gordon Spence | NF | no factor TF: 65-66 | | 2014-08-29 | lycorn | NF | no factor TF: 64-65 | | 2014-08-29 | kracker | NF | no factor TF: 63-64 | | 2013-05-09 | Squeeky_Squirrel | NF-PM1 | B1=85000, B2=1508750, E=6 | | 2009-07-01 | USAFSS | NF-PM1 | B1=55000, B2=907500, E=6 | | 2006-01-15 | Joss | NF-PM1 | B1=2000 | | 2000-03-22 | -anonymous- | C-LL | 830363BA21A5B16F | | 1998-08-09 | -anonymous- | C-LL | 830363BA21A5B16F | | 1998-07-11 | -anonymous- | NF | no factor TF: 1-61 |
|
