| 49844057 | 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 | 2013-01-24 | curtisc | 3B9FB9B4263272DD | 19397387 | Windows Service,Prime95,v27.7,build 2 | | Verified | 2019-12-30 | Dubslow | 3B9FB9B4263272DD | 47031297 | Linux 64-bit,Prime95,v29.8,build 6 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-12-30 | Dubslow | C-LL | 3B9FB9B4263272DD | | 2019-08-30 | Sid & Andy | NF-PM1 | B1=1000000, B2=20000000, E=12 | | 2019-07-06 | -anonymous- | NF | no factor TF: 73-74 | | 2018-01-22 | Mark Rose | NF | no factor TF: 72-73 | | 2013-01-24 | curtisc | C-LL | 3B9FB9B4263272DD | | 2012-01-20 | Greg | NF | no factor TF: 71-72 | | 2012-01-05 | Greg | NF | no factor TF: 70-71 | | 2012-01-02 | Craig Meyers | NF | no factor TF: 69-70 | | 2010-02-13 | James | NF-PM1 | B1=785000 | | 2008-09-06 | fes016 | NF | no factor TF: 1-69 | | 2000-10-07 | Joss | NF | no factor TF: 1-51 |
|