| 80151919 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 275 |
| P-1 | | B1 = | 4523000 | | B2 = | 2588486670 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2017-03-06 | C-C | A87B01D790E25CE2 | 42119884 | Windows 64-bit,Prime95,v26,(aka We4) | | Verified | 2025-11-25 | ANONYMOUS | A87B01D790E25CE2 | 14910904 | Windows 64-bit,Prime95,v30.3,build 6 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-11-25 | ANONYMOUS | C-LL | A87B01D790E25CE2 | | 2025-11-03 | lycorn | NF-PM1 | B1=4523000, B2=2588486670 | | 2022-10-26 | lavalamp | NF-PM1 | B1=484000, B2=327664260 | | 2021-11-29 | LordJulius | NF | no factor TF: 75-76 | | 2017-03-06 | C-C | C-LL | A87B01D790E25CE2 | | 2016-07-18 | Sid & Andy | NF | no factor TF: 74-75 | | 2015-12-09 | Mark Rose | NF | no factor TF: 73-74 | | 2015-12-09 | Mark Rose | NF | no factor TF: 72-73 | | 2014-11-10 | NoSolution | NF-PM1 | B1=1145000 | | 2014-03-02 | SMoffat | NF | no factor TF: 71-72 | | 2013-06-01 | SMoffat | NF | no factor TF: 70-71 | | 2011-03-12 | Ângelo Cristante Neto | NF | no factor TF: 69-70 | | 2011-02-16 | -anonymous- | NF | no factor TF: 68-69 | | 2011-02-16 | OS1 | NF | no factor TF: 67-68 | | 2011-02-13 | trif | NF | no factor TF: 66-67 | | 2011-01-15 | arnaud | NF | no factor TF: 65-66 | | 2010-12-03 | Architects Cubed | NF | no factor TF: 64-65 |
|
