| 68874119 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 274 |
| P-1 | | B1 = | 406000 | | B2 = | 157739400 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2016-03-26 | ARTEM E I | E76820ED50F235F8 | 54988185 | Linux 64-bit,Prime95,v28.7,build 1 | | Verified | 2024-07-20 | slandrum | E76820ED50F235F8 | 16730875 | Linux 64-bit,Prime95,v30.3,build 6 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-07-20 | slandrum | C-LL | E76820ED50F235F8 | | 2024-05-26 | ANONYMOUS | NF | no factor TF: 69-70 | | 2022-09-21 | ScottieMckinley | NF-PM1 | B1=406000, B2=157739400 | | 2016-03-26 | ARTEM E I | C-LL | E76820ED50F235F8 | | 2016-03-12 | Fredrik | NF | no factor TF: 74-75 | | 2014-04-01 | -anonymous- | NF-PM1 | B1=735000 | | 2014-03-24 | kdgehman | NF | no factor TF: 73-74 | | 2014-03-24 | kdgehman | NF | no factor TF: 72-73 | | 2014-03-24 | kdgehman | NF | no factor TF: 71-72 | | 2012-09-30 | Cow_tipping | NF | no factor TF: 70-71 | | 2012-03-29 | Richard | NF | no factor TF: 69-70 | | 2010-02-11 | Jeff Palmer | NF | no factor TF: 68-69 | | 2010-02-07 | Sturle Sunde | NF | no factor TF: 67-68 | | 2010-02-06 | kevshaw | NF | no factor TF: 66-67 | | 2010-01-31 | -anonymous- | NF | no factor TF: 65-66 | | 2010-01-26 | johnniek | NF | no factor TF: 64-65 | | 2009-01-06 | 1997rj7 | NF | no factor TF: 1-64 | | 2004-04-09 | mdrg | NF | no factor TF: 1-61 | | 2001-05-20 | Joss | NF | no factor TF: 1-56 |
|
