| 40056677 | Composite: proven not-prime with Lucas-Lehmer test No factors below 274 TF target 272 |
| P-1 | | B1 = | 2531000 | | B2 = | 1804595730 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2008-11-09 | dapike | A4C98CE8384AC50B | 8607634 | Linux 32-bit,Prime95,v24 final,(aka Wc2) | | Verified | 2017-02-06 | Dubslow | A4C98CE8384AC50B | 14752939 | Linux 64-bit,Prime95,v28.7,build 1 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-07 | James Heinrich | NF-PM1 | B1=2531000, B2=1804595730 | | 2020-02-14 | -anonymous- | NF | no factor TF: 73-74 | | 2019-09-30 | -anonymous- | NF | no factor TF: 72-73 | | 2017-02-06 | Dubslow | C-LL | A4C98CE8384AC50B | | 2014-12-31 | Mark Rose | NF | no factor TF: 71-72 | | 2014-12-16 | Chuck | NF | no factor TF: 70-71 | | 2014-12-16 | Chuck | NF | no factor TF: 69-70 | | 2013-11-03 | VictordeHollander | NF | no factor TF: 68-69 | | 2008-11-09 | dapike | C-LL | A4C98CE8384AC50B | | 2007-12-18 | -anonymous- | NF-PM1 | B1=650000 | | 2006-11-28 | smintheus | NF | no factor TF: 1-68 | | 2001-08-04 | -anonymous- | NF | no factor TF: 1-57 |
|
