| 30839857 | Composite: proven not-prime with Lucas-Lehmer test No factors below 275 TF target 271 |
| P-1 | | B1 = | 1500000 | | B2 = | 45000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2006-01-15 | arnaud | 1AD5EF0FA44BEEA2 | 9350622 | Windows,Prime95,v24 final,(aka Wc1) | | Verified | 2013-12-02 | Dubslow | 1AD5EF0FA44BEEA2 | 3975051 | Linux 64-bit,Prime95,v27.9,build 1 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-10-04 | TheJudger | NF | no factor TF: 74-75 | | 2021-09-22 | Sid & Andy | NF-PM1 | B1=1500000, B2=45000000 | | 2020-03-29 | -anonymous- | NF | no factor TF: 73-74 | | 2019-12-13 | -anonymous- | NF | no factor TF: 71-72 | | 2019-12-13 | -anonymous- | NF | no factor TF: 72-73 | | 2018-04-11 | ramgeis | NF | no factor TF: 70-71 | | 2013-12-02 | Dubslow | C-LL | 1AD5EF0FA44BEEA2 | | 2013-02-17 | bcp19 | NF | no factor TF: 69-70 | | 2012-04-26 | apsen | NF | no factor TF: 68-69 | | 2011-05-20 | Ungelovende | NF | no factor TF: 67-68 | | 2006-01-15 | arnaud | C-LL | 1AD5EF0FA44BEEA2 | | 2005-12-19 | arnaud | NF-PM1 | B1=510000 | | 2005-09-03 | sannerud.com | NF | no factor TF: 1-67 | | 2003-08-25 | AxelFox | NF | no factor TF: 1-60 | | 2000-11-15 | Joss | NF | no factor TF: 1-52 |
|
