| 17963201 | Composite: proven not-prime with Lucas-Lehmer test No factors below 274 TF target 269 |
| P-1 | | B1 = | 3000000 | | B2 = | 1050259770 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 1 / 280 |
Estimated T-Level: 20.0 ⓘ TF below 2^61 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2003-06-06 | Roland Frick | 36BF1BF017BD802A | 14939488 | Windows,Prime95,v22,(aka WY1) | | Verified | 2006-10-24 | Christian Gross | 36BF1BF017BD802A | 15302423 | Windows,Prime95,v24 final,(aka Wc1) |
|
| History | | Date | User | Type | Result |
|---|
| 2024-10-21 | masser | NF-PM1 | B1=3000000, B2=1050259770 | | 2022-02-14 | masser | NF-PM1 | B1=1000000, B2=396031350 | | 2022-01-11 | TheJudger | NF | no factor TF: 73-74 | | 2021-12-20 | ZacHFX | NF | no factor TF: 72-73 | | 2021-10-08 | -anonymous- | NF | no factor TF: 71-72 | | 2021-09-11 | SRBase | NF | no factor TF: 70-71 | | 2020-03-12 | lycorn | NF | no factor TF: 69-70 | | 2018-02-15 | ramgeis | NF | no factor TF: 67-68 | | 2018-02-15 | ramgeis | NF | no factor TF: 68-69 | | 2014-08-19 | Nesowa | NF | no factor TF: 66-67 | | 2006-10-24 | -anonymous- | C-LL | 36BF1BF017BD802A | | 2006-01-15 | delta_t | NF-PM1 | B1=100000, B2=1850000 | | 2005-12-24 | delta_t | NF-PM1 | B1=100000, B2=1850000 | | 2005-01-10 | delta_t | NF-PM1 | B1=100000, B2=1850000 | | 2003-06-06 | -anonymous- | C-LL | 36BF1BF017BD802A | | 2001-10-27 | -anonymous- | NF | no factor TF: 1-66 | | 2001-10-25 | -anonymous- | NF | no factor TF: 1-64 | | 2001-03-11 | Net_Force | NF | no factor TF: 1-59 | | 2001-02-11 | Net_Force | NF | no factor TF: 1-58 |
|
