| 26273341 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 270 |
| P-1 | | B1 = | 1923076 | | B2 = | 1902132210 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2005-08-01 | C. Cooper / S. Boone | 6B8931CB99C43EE2 | 13458114 | Windows,Prime95,v23,NT service,(aka WZ5) | | Verified | 2012-04-15 | Dubslow | 6B8931CB99C43EE2 | 0 | CUDALucas v0._ |
|
| History | | Date | User | Type | Result |
|---|
| 2024-12-31 | timc995 | NF-PM1 | B1=1923076, B2=1902132210 | | 2021-10-17 | TheJudger | NF | no factor TF: 74-75 | | 2021-09-30 | TheJudger | NF | no factor TF: 73-74 | | 2021-08-25 | TheJudger | NF | no factor TF: 72-73 | | 2021-04-04 | MannImMond | NF | no factor TF: 71-72 | | 2021-04-04 | MannImMond | NF | no factor TF: 70-71 | | 2017-04-08 | ramgeis | NF | no factor TF: 69-70 | | 2012-04-15 | Dubslow | C-LL | 6B8931CB99C43EE2 | | 2012-04-03 | Jerry Hallett | NF | no factor TF: 68-69 | | 2012-04-03 | Jerry Hallett | NF | no factor TF: 67-68 | | 2005-08-01 | curtisc | C-LL | 6B8931CB99C43EE2 | | 2005-07-17 | curtisc | NF-PM1 | B1=405000 | | 2004-07-26 | -anonymous- | NF | no factor TF: 1-67 |
|
