| 66802517 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 274 |
| P-1 | | B1 = | 374000 | | B2 = | 109997580 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2015-05-30 | Kyle Z Schmidt | 6C8458E66A3832B2 | 1908226 | Windows 64-bit,Prime95,v28.5,build 2 | | Verified | 2023-10-30 | Mirra | 6C8458E66A3832B2 | 18199264 | Windows 64-bit,Prime95,v30.8,build 17 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-10-30 | Mirra | C-LL | 6C8458E66A3832B2 | | 2022-09-09 | ScottieMckinley | NF-PM1 | B1=374000, B2=109997580 | | 2015-05-30 | Kyle Z Schmidt | C-LL | 6C8458E66A3832B2 | | 2015-04-19 | TheJudger | NF | no factor TF: 74-75 | | 2014-11-28 | The Mawn | NF | no factor TF: 73-74 | | 2014-04-09 | -anonymous- | NF-PM1 | B1=790000 | | 2014-04-02 | kdgehman | NF | no factor TF: 72-73 | | 2014-04-02 | kdgehman | NF | no factor TF: 71-72 | | 2013-04-28 | g0b | NF | no factor TF: 70-71 | | 2012-02-14 | -anonymous- | NF | no factor TF: 69-70 | | 2010-02-17 | -anonymous- | NF | no factor TF: 68-69 | | 2010-02-10 | Sturle Sunde | NF | no factor TF: 67-68 | | 2009-12-10 | -anonymous- | NF | no factor TF: 66-67 | | 2009-12-04 | Hatch | NF | no factor TF: 65-66 | | 2009-12-03 | André Jordi | NF | no factor TF: 64-65 | | 2009-04-13 | 1997rj7 | NF | no factor TF: 1-64 |
|
