| 80000273 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 275 |
| P-1 | | B1 = | 2100000 | | B2 = | 48000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2016-01-15 | Tom Womack | 09BF0C4864C3C11A | 29032930 | CUDALucas v2.05.1 | | Verified | 2024-12-16 | Sumurai8 | 09BF0C4864C3C11A | 46850594 | Windows 64-bit,Prime95,v30.19,build 20 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-12-16 | Sumurai8 | C-LL | 09BF0C4864C3C11A | | 2020-02-14 | mikr | NF-PM1 | B1=2100000, B2=48000000, E=6 | | 2020-01-11 | mikr | NF | no factor TF: 75-76 | | 2016-12-05 | monst | NF | no factor TF: 74-75 | | 2016-01-15 | Tom Womack | C-LL | 09BF0C4864C3C11A | | 2015-10-29 | mikr | NF | no factor TF: 73-74 | | 2015-10-29 | mikr | NF | no factor TF: 72-73 | | 2015-04-19 | sasaki | NF | no factor TF: 71-72 | | 2011-05-16 | firejuggler | NF | no factor TF: 70-71 | | 2010-10-19 | timbit | NF-PM1 | B1=900000, B2=23625000 | | 2009-05-01 | unconnected | NF | no factor TF: 69-70 | | 2009-04-09 | unconnected | NF | no factor TF: 68-69 | | 2009-04-02 | timbit | NF | no factor TF: 67-68 | | 2009-03-28 | timbit | NF | no factor TF: 66-67 |
|
