| 48050389 | Composite: proven not-prime with Lucas-Lehmer test No factors below 273 TF target 272 |
| P-1 | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Bad | 2010-02-10 | Antti Bergman | 0B0D1E044CDDE8B0 | 47476818 | Windows,Prime95,v25.9,build 4 | | Verified | 2015-08-20 | Greg | 074E5F3CA0497B7D | 34173329 | CUDALucas v2.05 Beta | | Verified | 2016-08-26 | AirSquirrels | 074E5F3CA0497B7D | 0 | clLucas v1.04 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-08-16 | tbusby | NF | no factor TF: 69-70 | | 2017-12-09 | Mark Rose | NF | no factor TF: 72-73 | | 2016-08-26 | AirSquirrels | C-LL | 074E5F3CA0497B7D | | 2015-08-20 | Greg | C-LL | 074E5F3CA0497B7D | | 2015-08-10 | Sid & Andy | NF | no factor TF: 71-72 | | 2015-07-24 | Mark Rose | NF | no factor TF: 70-71 | | 2015-07-23 | Architects Cubed | NF | no factor TF: 69-70 | | 2010-02-10 | Antti Bergman | C-LL | 0B0D1E044CDDE8B0 | | 2008-12-15 | sero | NF-PM1 | B1=560000, B2=15120000 | | 2008-04-24 | Perendie | NF | no factor TF: 1-69 | | 2003-10-08 | Thomas Mullen | NF | no factor TF: 1-60 | | 2003-06-09 | Thomas Mullen | NF | no factor TF: 1-59 |
|
