| 5462341 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 66 / 280 |
Estimated T-Level: 21.2 ⓘ TF below 2^65 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-09-20 | Jonathan Clark | 091454738F21799E | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2000-08-10 | Thomas Traber | 091454738F21799E | 3669632 | Linux 32-bit,Prime95,v20,(aka WW2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-25 | Runtime Error | 54A0C77F0905910E | 1 | 3408172 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-27 | Santtu Rekilä | CERT | Proof certified good | | 2025-03-25 | Runtime Error | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-03-19 | Andrey Dobrynin | F-ECM | Factor: 511549338077169551444281 / ECM curve 29, B1=50000, B2=60054225, Edwards Sigma=4270652128821789 | | 2021-10-24 | axn | NF-PM1 | B1=8000000, B2=400000000 | | 2021-09-17 | SRBase | NF | no factor TF: 71-72 | | 2021-08-23 | SRBase | NF | no factor TF: 70-71 | | 2021-08-18 | SRBase | NF | no factor TF: 69-70 | | 2020-09-14 | TJAOI | NF | no factor TF: 68-69 | | 2019-09-10 | USAFSS | NF-PM1 | B1=330000, B2=9817500 | | 2018-06-29 | ramgeis | NF | no factor TF: 67-68 | | 2016-07-01 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-24 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-30 | monst | NF | no factor TF: 64-65 | | 2014-12-30 | snme2pm1 | NF | no factor TF: 63-64 | | 2010-11-06 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=960000, E=6 | | 2009-05-07 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2000-08-10 | -anonymous- | C-LL | 091454738F21799E | | 2000-07-03 | -anonymous- | NF-PM1 | B1=25000, B2=300000 | | 1998-09-20 | -anonymous- | C-LL | 091454738F21799E | | 1998-05-23 | JShaft | NF | no factor TF: 1-62 | | 1998-03-23 | -anonymous- | NF | no factor TF: 1-61 |
|
