| 74340751 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 274 |
| P-1 | | B1 = | 1800000 | | B2 = | 1177928640 |
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| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2017-03-05 | heiopei | F625BB7FC902F24B | 3340529 | Linux 64-bit,Prime95,v28.7,build 1 | | Verified | 2025-08-07 | Raydex | F625BB7FC902F24B | 8860623 | Windows 64-bit,Prime95,v30.8,build 17 |
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| History | | Date | User | Type | Result |
|---|
| 2025-08-07 | Raydex | C-LL | F625BB7FC902F24B | | 2025-05-19 | Jurzal | NF-PM1 | B1=1800000, B2=1177928640 | | 2017-03-05 | heiopei | C-LL | F625BB7FC902F24B | | 2016-07-08 | -anonymous- | NF | no factor TF: 74-75 | | 2014-09-02 | James Heinrich | NF-PM1 | B1=685000, B2=14042500, E=6 | | 2013-12-07 | La Güira | NF | no factor TF: 73-74 | | 2013-12-07 | La Güira | NF | no factor TF: 72-73 | | 2013-12-07 | La Güira | NF | no factor TF: 71-72 | | 2013-12-07 | La Güira | NF | no factor TF: 70-71 | | 2013-05-11 | PascalBieri | NF | no factor TF: 69-70 | | 2010-12-03 | Kelly Lowder | NF | no factor TF: 68-69 | | 2010-11-29 | Helmut Zulus | NF | no factor TF: 67-68 | | 2010-09-16 | Manfred F | NF | no factor TF: 66-67 | | 2010-09-14 | Per Jessen | NF | no factor TF: 65-66 | | 2010-07-06 | David Hdez Moreno | NF | no factor TF: 64-65 | | 2008-09-12 | lycorn | NF | no factor TF: 1-64 | | 2002-03-31 | Joss | NF | no factor TF: 1-57 |
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