| 40158479 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 272 |
| P-1 | | B1 = | 1000000 | | B2 = | 20000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2009-05-03 | Stephan Grupp | 6C326D47C5642674 | 30903806 | Windows,Prime95,v24 final,(aka Wc1) | | Verified | 2017-06-22 | Dubslow | 6C326D47C5642674 | 32859865 | Linux 64-bit,Prime95,v28.7,build 1 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-06-14 | James Heinrich | NF | no factor TF: 68-69 | | 2021-03-07 | -anonymous- | NF | no factor TF: 74-75 | | 2020-12-13 | Sid & Andy | NF-PM1 | B1=1000000, B2=20000000 | | 2020-01-31 | -anonymous- | NF | no factor TF: 73-74 | | 2019-10-04 | -anonymous- | NF | no factor TF: 72-73 | | 2017-06-22 | Dubslow | C-LL | 6C326D47C5642674 | | 2014-12-30 | tigreroars | NF | no factor TF: 71-72 | | 2014-12-17 | NickOfTime | NF | no factor TF: 70-71 | | 2014-12-17 | NickOfTime | NF | no factor TF: 69-70 | | 2013-10-24 | Carsten Kossendey | NF | no factor TF: 68-69 | | 2009-05-03 | Stephan Grupp | C-LL | 6C326D47C5642674 | | 2008-01-15 | -anonymous- | NF-PM1 | B1=660000 | | 2007-02-05 | smintheus | NF | no factor TF: 1-68 | | 2006-07-10 | -anonymous- | NF | no factor TF: 1-62 | | 2002-08-31 | -anonymous- | NF | no factor TF: 1-57 |
|