| 50395439 | Composite: proven not-prime with Lucas-Lehmer test No factors below 274 TF target 273 |
| P-1 | | B1 = | 1000000 | | B2 = | 20000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2012-03-08 | Stephan Grupp | 47589F758101D0CE | 27304357 | Windows,Prime95,v25.9,build 4 | | Verified | 2020-03-19 | Dubslow | 47589F758101D0CE | 874430 | Linux 64-bit,Prime95,v29.8,build 6 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-03-19 | Dubslow | C-LL | 47589F758101D0CE | | 2018-11-16 | Mark Rose | NF | no factor TF: 73-74 | | 2018-05-10 | Sid & Andy | NF-PM1 | B1=1000000, B2=20000000, E=12 | | 2015-12-26 | AirSquirrels | NF | no factor TF: 72-73 | | 2012-03-08 | Stephan Grupp | C-LL | 47589F758101D0CE | | 2012-01-17 | therealwebs | NF | no factor TF: 71-72 | | 2012-01-17 | therealwebs | NF | no factor TF: 70-71 | | 2011-11-23 | lalera | NF | no factor TF: 69-70 | | 2011-04-16 | ANONYMOUS | NF-PM1 | B1=815000 | | 2008-10-14 | Team Prime Rib | NF | no factor TF: 1-69 | | 2003-11-08 | -anonymous- | NF | no factor TF: 1-60 | | 2003-08-25 | -anonymous- | NF | no factor TF: 1-59 | | 2001-12-22 | -anonymous- | NF | no factor TF: 1-58 | | 2001-04-21 | -anonymous- | NF | no factor TF: 1-57 | | 2000-04-05 | -anonymous- | NF | no factor TF: 1-56 | | 2000-02-09 | -anonymous- | NF | no factor TF: 1-54 | | 2000-01-04 | -anonymous- | NF | no factor TF: 1-53 | | 1999-10-07 | -anonymous- | NF | no factor TF: 1-53 |
|
