| 55871927 | Composite: proven not-prime with Lucas-Lehmer test No factors below 274 TF target 273 |
| P-1 | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2012-04-23 | Reed_Young | 8E45D21568A16320 | 51220036 | Linux 64-bit,Prime95,v26.6,build 3 | | Verified | 2020-09-21 | Roland Clarkson | 8E45D21568A16320 | 0 | gpuowl,v6.11-321-gf485359 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-09-21 | Roland Clarkson | C-LL | 8E45D21568A16320 | | 2019-03-25 | Chuck | NF | no factor TF: 73-74 | | 2016-02-19 | -anonymous- | NF | no factor TF: 72-73 | | 2012-04-23 | Reed_Young | C-LL | 8E45D21568A16320 | | 2011-10-15 | kdgehman | NF-PM1 | B1=665000, B2=19950000, E=6 | | 2011-10-06 | kdgehman | NF | no factor TF: 71-72 | | 2011-09-18 | cujonz | NF | no factor TF: 70-71 | | 2011-09-18 | -anonymous- | NF | no factor TF: 70-71 | | 2011-03-27 | kdgehman | NF | no factor TF: 69-70 | | 2011-03-27 | kdgehman | NF | no factor TF: 68-69 | | 2009-09-19 | cvgrone | NF | no factor TF: 67-68 | | 2009-03-12 | steinrar | NF | no factor TF: 66-67 | | 2009-03-11 | steinrar | NF | no factor TF: 65-66 | | 2009-03-10 | steinrar | NF | no factor TF: 64-65 | | 2008-12-01 | 1997rj7 | NF | no factor TF: 1-64 | | 2002-08-17 | -anonymous- | NF | no factor TF: 1-58 | | 2001-09-22 | -anonymous- | NF | no factor TF: 1-57 | | 2000-06-11 | -anonymous- | NF | no factor TF: 1-56 | | 2000-03-01 | -anonymous- | NF | no factor TF: 1-54 | | 2000-01-19 | -anonymous- | NF | no factor TF: 1-53 | | 1999-12-15 | -anonymous- | NF | no factor TF: 1-53 |
|
