| 81648221 | Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime No factors below 276 TF target 275 |
| Assignments | | Assigned | User | Work Type | Stage | % Done | Updated | Est Complete | Expired |
|---|
| 2026-07-13 | Kriesel | D | LL | 81.39 % | 2026-08-27 | 2026-09-01 | |
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| P-1 | | B1 = | 5400000 | | B2 = | 5400812340 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2017-10-10 | SysConsult | 4DB67B0A2C6521__ | 60975562 | Windows Service,Prime95,v27.7,build 2 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-08-26 | Ensigma | NF-PM1 | B1=5400000, B2=5400812340 | | 2026-08-25 | Ensigma | NF-PM1 | B1=5400000, B2=2700766530 | | 2026-08-25 | Ensigma | NF-PM1 | B1=5400000, B2=1800109080 | | 2026-02-13 | Kyle Askine | NF | no factor TF: 75-76 | | 2024-05-05 | James Heinrich | NF | no factor TF: 69-70 | | 2017-10-10 | SysConsult | C-LL | 4DB67B0A2C6521__ | | 2016-11-06 | TheJudger | NF-PM1 | B1=695000, B2=14247500, E=12 | | 2016-10-27 | -anonymous- | NF | no factor TF: 74-75 | | 2016-10-27 | -anonymous- | NF | no factor TF: 73-74 | | 2016-10-27 | -anonymous- | NF | no factor TF: 72-73 | | 2016-10-27 | -anonymous- | NF | no factor TF: 71-72 | | 2014-08-16 | tmorrow | NF | no factor TF: 70-71 | | 2014-04-09 | linded | NF | no factor TF: 69-70 | | 2014-04-07 | A_Savchenko | NF | no factor TF: 68-69 | | 2014-04-03 | g0b | NF | no factor TF: 67-68 | | 2013-01-30 | phoenicis | NF | no factor TF: 66-67 | | 2011-02-28 | Ujjwal Chalise | NF | no factor TF: 65-66 | | 2010-12-10 | Architects Cubed | NF | no factor TF: 64-65 |
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