| 81510491 | Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime No factors below 276 TF target 275 |
| P-1 | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2017-08-23 | curtisc | AB6484A4BC937B__ | 11255152 | Windows Service,Prime95,v28.7,build 1 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-19 | Sid & Andy | NF | no factor TF: 75-76 | | 2017-08-23 | curtisc | C-LL | AB6484A4BC937B__ | | 2016-11-20 | TheJudger | NF-PM1 | B1=730000, B2=14600000, E=6 | | 2016-11-05 | Sid & Andy | NF | no factor TF: 74-75 | | 2016-11-03 | RichD0 | NF | no factor TF: 73-74 | | 2016-10-01 | Judge Hale | NF | no factor TF: 72-73 | | 2016-10-01 | Judge Hale | NF | no factor TF: 71-72 | | 2011-02-24 | Ungelovende | NF | no factor TF: 69-70 | | 2011-02-24 | Ungelovende | NF | no factor TF: 70-71 | | 2011-02-24 | Ungelovende | NF | no factor TF: 68-69 | | 2011-02-24 | Ungelovende | NF | no factor TF: 67-68 | | 2011-02-24 | Ungelovende | NF | no factor TF: 65-67 | | 2010-12-15 | Architects Cubed | NF | no factor TF: 64-65 |
|
