| 55251883 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 273 |
| P-1 | | B1 = | 1200000 | | B2 = | 36000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2014-07-20 | Architects Cubed | 17D7B3DAE4F465B8 | 25158464 | Linux 64-bit,Prime95,v27.9,build 1 | | Verified | 2021-03-08 | Dubslow | 17D7B3DAE4F465B8 | 11076523 | Linux 64-bit,Prime95,v29.8,build 6 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-10-13 | Aaron Haviland | NF-PM1 | B1=1200000, B2=36000000, E=12 | | 2023-05-18 | Smok_bmv | NF | no factor TF: 74-75 | | 2021-03-08 | Dubslow | C-LL | 17D7B3DAE4F465B8 | | 2019-05-26 | TheJudger | NF | no factor TF: 73-74 | | 2014-07-20 | Architects Cubed | C-LL | 17D7B3DAE4F465B8 | | 2013-12-27 | ktony | NF | no factor TF: 72-73 | | 2012-06-25 | megavink | NF | no factor TF: 71-72 | | 2012-01-13 | -anonymous- | NF-PM1 | B1=745000 | | 2011-06-03 | shauge | NF | no factor TF: 70-71 | | 2011-06-03 | shauge | NF | no factor TF: 69-70 | | 2009-01-14 | WileECoyote | NF | no factor TF: 1-69 | | 2009-01-13 | WileECoyote | NF | no factor TF: 1-69 | | 2008-10-14 | -anonymous- | NF | no factor TF: 1-64 | | 2002-07-06 | -anonymous- | NF | no factor TF: 1-58 | | 2001-09-16 | -anonymous- | NF | no factor TF: 1-57 | | 2000-05-31 | -anonymous- | NF | no factor TF: 1-56 | | 2000-03-01 | -anonymous- | NF | no factor TF: 1-54 | | 2000-01-12 | -anonymous- | NF | no factor TF: 1-53 | | 1999-12-15 | -anonymous- | NF | no factor TF: 1-53 |
|
