| 25307683 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 270 |
| P-1 | | B1 = | 5000000 | | B2 = | 140000000 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 34 / 280 |
Estimated T-Level: 20.6 ⓘ TF below 2^63 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2004-08-20 | morris | A9156AB0A186C324 | 5891313 | Windows,Prime95,v23,(aka WZ1) | | Verified | 2012-06-07 | Dubslow | A9156AB0A186C324 | 11560137 | Linux 64-bit,Prime95,v27.7,build 2 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-05-13 | James Heinrich | NF | no factor TF: 68-69 | | 2022-01-05 | Anton Repko | NF-PM1 | B1=5000000, B2=140000000 | | 2021-12-25 | Anton Repko | NF-PP1 | Start=2/7, B1=2000000, B2=120000000 | | 2021-10-17 | TheJudger | NF | no factor TF: 74-75 | | 2021-10-01 | TheJudger | NF | no factor TF: 73-74 | | 2021-08-28 | TheJudger | NF | no factor TF: 72-73 | | 2021-08-28 | TheJudger | NF | no factor TF: 71-72 | | 2021-06-10 | mikr | NF | no factor TF: 70-71 | | 2017-03-19 | ramgeis | NF | no factor TF: 69-70 | | 2012-06-07 | Dubslow | C-LL | A9156AB0A186C324 | | 2012-01-02 | Carsten Kossendey | NF | no factor TF: 68-69 | | 2011-10-06 | garo | NF | no factor TF: 67-68 | | 2004-08-20 | -anonymous- | C-LL | A9156AB0A186C324 | | 2004-08-06 | -anonymous- | NF-PM1 | B1=380000 | | 2004-04-20 | Philippe.Rose | NF | no factor TF: 1-67 | | 2004-04-20 | -anonymous- | NF | no factor TF: 1-67 | | 2004-01-18 | markr | NF | no factor TF: 1-62 | | 2001-08-24 | Matt | NF | no factor TF: 1-58 | | 2001-08-12 | Net_Force | NF | no factor TF: 1-56 |
|
