| 25755181 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 270 |
| P-1 | | B1 = | 1328000 | | B2 = | 2438791740 |
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| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2006-07-25 | A.G. | 01209B76C495C700 | 20136078 | Windows,Prime95,v23,(aka WZ1) | | Verified | 2012-05-03 | Dubslow | 01209B76C495C700 | 0 | CUDALucas v2.00a |
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| History | | Date | User | Type | Result |
|---|
| 2025-12-14 | Jason Lynch | NF-PM1 | B1=1328000, B2=2438791740 | | 2021-10-17 | TheJudger | NF | no factor TF: 74-75 | | 2021-09-19 | TheJudger | NF | no factor TF: 73-74 | | 2021-08-28 | TheJudger | NF | no factor TF: 72-73 | | 2021-08-28 | TheJudger | NF | no factor TF: 71-72 | | 2021-07-09 | mikr | NF | no factor TF: 70-71 | | 2017-03-26 | ramgeis | NF | no factor TF: 69-70 | | 2012-05-03 | Dubslow | C-LL | 01209B76C495C700 | | 2011-11-06 | David Campeau | NF | no factor TF: 68-69 | | 2011-11-02 | Carsten Kossendey | NF | no factor TF: 67-68 | | 2006-07-25 | -anonymous- | C-LL | 01209B76C495C700 | | 2006-02-01 | -anonymous- | NF-PM1 | B1=245000, B2=1163750 | | 2004-06-21 | ANONYMOOS | NF | no factor TF: 1-67 | | 2004-06-04 | ANONYMOOS | NF | no factor TF: 1-67 | | 2004-04-29 | 1997rj7 | NF | no factor TF: 1-62 | | 2001-08-12 | Net_Force | NF | no factor TF: 1-56 |
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