| 26748479 | Composite: proven not-prime with Lucas-Lehmer test No factors below 273 TF target 270 |
| P-1 | | B1 = | 1923076 | | B2 = | 1857885120 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2005-12-12 | Charles F. Roberts | CC68F60A141F1014 | 4344317 | Linux 32-bit,Prime95,v24 final,(aka Wc2) | | Verified | 2012-08-01 | Dubslow | CC68F60A141F1014 | 22508165 | Linux 64-bit,Prime95,v27.7,build 2 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-12 | timc995 | NF-PM1 | B1=1923076, B2=1857885120 | | 2021-05-29 | Sid & Andy | NF | no factor TF: 72-73 | | 2021-05-28 | LaurV | NF | no factor TF: 71-72 | | 2021-05-16 | mikr | NF | no factor TF: 70-71 | | 2017-04-15 | ramgeis | NF | no factor TF: 69-70 | | 2012-08-01 | Dubslow | C-LL | CC68F60A141F1014 | | 2012-03-26 | garo | NF | no factor TF: 68-69 | | 2012-03-26 | garo | NF | no factor TF: 67-68 | | 2005-12-12 | CFRoberts | C-LL | CC68F60A141F1014 | | 2005-01-10 | -anonymous- | NF-PM1 | B1=410000 | | 2004-12-23 | smintheus | NF | no factor TF: 1-67 | | 2004-06-21 | markr | NF | no factor TF: 1-62 |
|
