| 333040507 | Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime No factors below 281 TF target 281 |
| P-1 | | B1 = | 2775000 | | B2 = | 31218750 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2017-02-01 | mrt | A1F2B43B4A2478__ | 307809230 | Windows 64-bit,Prime95,v27.7,build 2 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-02-06 | Mark Rose | NF | no factor TF: 80-81 | | 2023-02-06 | Mark Rose | NF | no factor TF: 79-80 | | 2023-02-06 | Mark Rose | NF | no factor TF: 78-79 | | 2017-02-01 | mrt | C-LL | A1F2B43B4A2478__ | | 2014-11-14 | mrt | NF-PM1 | B1=2775000, B2=31218750 | | 2014-10-14 | Jacques MOLNE | NF | no factor TF: 77-78 | | 2014-10-14 | Jacques MOLNE | NF | no factor TF: 76-77 | | 2014-10-14 | Jacques MOLNE | NF | no factor TF: 75-76 | | 2014-05-13 | Preben S | NF | no factor TF: 74-75 | | 2013-12-24 | Preben S | NF | no factor TF: 73-74 | | 2013-10-07 | Preben S | NF | no factor TF: 72-73 | | 2013-01-18 | LaurV | NF | no factor TF: 71-72 | | 2013-01-18 | LaurV | NF | no factor TF: 70-71 | | 2013-01-18 | LaurV | NF | no factor TF: 69-70 | | 2012-04-16 | LaurV | NF | no factor TF: 66-69 | | 2010-11-01 | Architects Cubed | NF | no factor TF: 65-66 |
|
