| 39628079 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 272 |
| P-1 | | B1 = | 1500000 | | B2 = | 45000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2010-01-04 | Kyle Z Schmidt | 76A67E3485DE9760 | 996181 | Windows,Prime95,v24 final,(aka Wc1) | | Verified | 2017-01-06 | Xolotl | 76A67E3485DE9760 | 13799055 | Linux 64-bit,Prime95,v28.9,build 2 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-05-21 | -anonymous- | NF | no factor TF: 75-76 | | 2021-05-14 | -anonymous- | NF | no factor TF: 74-75 | | 2021-04-17 | Sid & Andy | NF-PM1 | B1=1500000, B2=45000000 | | 2020-02-28 | -anonymous- | NF | no factor TF: 73-74 | | 2019-10-11 | -anonymous- | NF | no factor TF: 72-73 | | 2019-07-23 | monst | NF | no factor TF: 71-72 | | 2017-01-06 | Xolotl | C-LL | 76A67E3485DE9760 | | 2014-12-21 | megavink | NF | no factor TF: 70-71 | | 2014-12-21 | megavink | NF | no factor TF: 69-70 | | 2013-10-11 | VictordeHollander | NF | no factor TF: 68-69 | | 2010-01-04 | Kyle Z Schmidt | C-LL | 76A67E3485DE9760 | | 2008-04-24 | -anonymous- | NF-PM1 | B1=635000 | | 2006-11-09 | ITS | NF | no factor TF: 1-68 | | 2002-02-17 | Joss | NF | no factor TF: 1-57 | | 2001-01-28 | Joss | NF | no factor TF: 1-56 |
|
