| 49149887 | Composite: proven not-prime with Lucas-Lehmer test No factors below 273 TF target 273 |
| P-1 | | B1 = | 1000000 | | B2 = | 60000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Bad | 2010-07-02 | David_Harvey | 8C4A82C5D98B61C0 | 20086276 | Windows,Prime95,v25.11,build 2 | | Verified | 2015-09-30 | George Woltman | 31DD9347DF069349 | 46580914 | Windows 64-bit,Prime95,v28.6,build 1 | | Verified | 2016-09-01 | AirSquirrels | 31DD9347DF069349 | 29131581 | CUDALucas v2.05.1 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-08-16 | tbusby | NF | no factor TF: 69-70 | | 2018-02-04 | Oliver Kruse | NF-PM1 | B1=1000000, B2=60000000, E=12 | | 2016-09-01 | AirSquirrels | C-LL | 31DD9347DF069349 | | 2015-10-01 | Bruno Victal | NF | no factor TF: 72-73 | | 2015-09-30 | George Woltman | C-LL | 31DD9347DF069349 | | 2015-08-08 | Mark Rose | NF | no factor TF: 71-72 | | 2015-07-25 | Mark Rose | NF | no factor TF: 70-71 | | 2015-07-23 | Architects Cubed | NF | no factor TF: 69-70 | | 2010-07-02 | David_Harvey | C-LL | 8C4A82C5D98B61C0 | | 2010-05-21 | David_Harvey | NF-PM1 | B1=570000, B2=13965000 | | 2008-07-12 | ComputerraRU | NF | no factor TF: 66-67 | | 2008-07-12 | ComputerraRU | NF | no factor TF: 65-66 | | 2008-07-12 | ComputerraRU | NF | no factor TF: 64-65 | | 2008-07-12 | ComputerraRU | NF | no factor TF: 67-68 | | 2008-07-12 | ComputerraRU | NF | no factor TF: 68-69 | | 2008-06-03 | -anonymous- | NF | no factor TF: 1-64 | | 2007-07-04 | 1997rj7 | NF | no factor TF: 1-63 | | 2003-09-29 | Team Prime Rib | NF | no factor TF: 1-59 |
|
