| 49285787 | 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 | 2010-07-21 | David_Harvey | 3A8A17318A9539FA | 14124241 | Windows,Prime95,v25.11,build 2 | | Verified | 2015-09-29 | George Woltman | 006FB436A114DCE7 | 24650111 | CUDALucas v2.05 Beta | | Verified | 2016-09-05 | endless_mike | 006FB436A114DCE7 | 27447465 | Linux 64-bit,Prime95,v28.9,build 2 |
|
| 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 | | 2017-09-12 | Jon Pace | NF | no factor TF: 72-73 | | 2016-09-05 | endless_mike | C-LL | 006FB436A114DCE7 | | 2015-09-29 | George Woltman | C-LL | 006FB436A114DCE7 | | 2015-08-08 | Mark Rose | NF | no factor TF: 71-72 | | 2015-07-26 | Mark Rose | NF | no factor TF: 70-71 | | 2015-07-23 | Architects Cubed | NF | no factor TF: 69-70 | | 2010-07-21 | David_Harvey | C-LL | 3A8A17318A9539FA | | 2010-05-27 | David_Harvey | NF-PM1 | B1=570000, B2=14107500 | | 2008-08-07 | ITS | NF | no factor TF: 1-69 | | 2008-06-03 | -anonymous- | NF | no factor TF: 1-64 | | 2007-05-28 | 1997rj7 | NF | no factor TF: 1-63 | | 2003-10-23 | Team Prime Rib | NF | no factor TF: 1-59 |
|
