| 10268009 | Composite: proven not-prime with Lucas-Lehmer test No factors below 272 TF target 268 |
| P-1 | | B1 = | 2000000 | | B2 = | 2665301100 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 2 / 280 |
Estimated T-Level: 20.0 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2000-12-31 | Robert Braunwart | AAAAAA4519A4D7A2 | 6835794 | Windows,Prime95,v19,(aka WV1) | | Verified | 2003-11-28 | Samuli Tursas | AAAAAA4519A4D7A2 | 8606411 | Linux 32-bit,Prime95,v23,(aka WZ2) |
|
| History | | Date | User | Type | Result |
|---|
| 2024-01-28 | Sid & Andy | NF-PM1 | B1=2000000, B2=2665301100 | | 2022-10-02 | Architects Cubed | NF | no factor TF: 71-72 | | 2021-09-25 | mikr | NF | no factor TF: 70-71 | | 2021-01-02 | ViliamF | NF-PM1 | B1=1000000, B2=30000000 | | 2020-07-31 | ViliamF | NF | no factor TF: 69-70 | | 2017-12-05 | ramgeis | NF | no factor TF: 68-69 | | 2017-09-25 | -anonymous- | NF | no factor TF: 67-68 | | 2015-12-02 | VictordeHollander | NF | no factor TF: 66-67 | | 2015-04-27 | Tha | NF | no factor TF: 65-66 | | 2013-09-20 | Nesowa | NF | no factor TF: 64-65 | | 2013-05-24 | Nesowa | NF-PM1 | B1=125000, B2=2531250, E=6 | | 2003-11-28 | -anonymous- | C-LL | AAAAAA4519A4D7A2 | | 2003-10-23 | -anonymous- | NF-PM1 | B1=50000, B2=337500 | | 2000-12-31 | -anonymous- | C-LL | AAAAAA4519A4D7A2 | | 1999-12-23 | -anonymous- | NF | no factor TF: 1-64 |
|
