| 26787353 | Composite: proven not-prime with Lucas-Lehmer test No factors below 274 TF target 270 |
| P-1 | | B1 = | 2000000 | | B2 = | 1295197530 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2008-01-15 | Manfred Schuster | 64AE34EBC59DD5AA | 13942226 | Windows,Prime95,v24 final,(aka Wc1) | | Verified | 2012-06-18 | Dubslow | 64AE34EBC59DD5AA | 0 | CUDALucas v2.04 Beta |
|
| History | | Date | User | Type | Result |
|---|
| 2025-04-14 | timc995 | NF-PM1 | B1=2000000, B2=1295197530 | | 2021-06-05 | -anonymous- | NF | no factor TF: 73-74 | | 2021-05-25 | Sid & Andy | NF | no factor TF: 72-73 | | 2021-05-25 | Sid & Andy | NF | no factor TF: 71-72 | | 2021-05-18 | mikr | NF | no factor TF: 70-71 | | 2017-04-11 | ramgeis | NF | no factor TF: 69-70 | | 2012-06-18 | Dubslow | C-LL | 64AE34EBC59DD5AA | | 2012-06-07 | Serge Batalov | NF | no factor TF: 68-69 | | 2012-06-07 | Serge Batalov | NF | no factor TF: 67-68 | | 2008-01-15 | -anonymous- | C-LL | 64AE34EBC59DD5AA | | 2006-03-01 | blackivory | NF-PM1 | B1=410000 | | 2004-09-16 | -anonymous- | NF | no factor TF: 1-67 | | 2004-07-02 | markr | NF | no factor TF: 1-62 |
|