| 5158523 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 48 / 280 |
Estimated T-Level: 20.9 ⓘ TF below 2^64 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Brian Pinto | 25887439D90A229C | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 2000-10-15 | eric mahaux | 25887439D90A229C | 5143505 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-09 | NStorm | E679DB48F004DC14 | 1 | 645301 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-09 | Nicholas Hodson | CERT | Proof certified good | | 2025-01-09 | NStorm | C-PRP | M5158523/11595439682204012913815807 : E679DB48F004DC14 Proof Certified Good
Proof Power: 7
| | 2025-01-09 | NStorm | F-ECM | Factor: 11595439682204012913815807 / ECM curve 15, B1=50000, B2=275660385, Edwards Sigma=6516228284389707 | | 2024-10-17 | Andrew B | NF | no factor TF: 71-72 | | 2022-07-05 | Sid & Andy | NF-PM1 | B1=4000000, B2=9110873310 | | 2022-01-23 | mikr | NF | no factor TF: 70-71 | | 2021-11-03 | TJAOI | NF | no factor TF: 69-70 | | 2020-11-23 | TJAOI | NF | no factor TF: 68-69 | | 2020-05-24 | King | NF-PM1 | B1=1000000, B2=22500000 | | 2018-06-20 | ramgeis | NF | no factor TF: 67-68 | | 2016-06-01 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-61 | | 2015-08-07 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-17 | VictordeHollander | NF | no factor TF: 64-65 | | 2014-12-17 | VictordeHollander | NF | no factor TF: 63-64 | | 2009-06-24 | GrunwalderGIMP | NF | no factor TF: 62-63 | | 2008-10-13 | Sturle Sunde | NF | no factor TF: 61-62 | | 2000-10-15 | -anonymous- | C-LL | 25887439D90A229C |
|
