| 37955639 | Composite: proven not-prime with Lucas-Lehmer test No factors below 274 TF target 271 |
| P-1 | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2007-10-29 | Kostas G. Gavrielidis | E6E4C447C131764B | 8647395 | Windows,Prime95,v24 final,(aka Wc1) | | Verified | 2016-10-30 | Dubslow | E6E4C447C131764B | 22643191 | Linux 64-bit,Prime95,v28.7,build 1 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-05-26 | LaurV | NF | no factor TF: 68-69 | | 2016-10-30 | Dubslow | C-LL | E6E4C447C131764B | | 2016-10-25 | Bruno Victal | NF-PM1 | B1=840000, B2=21000000, E=12 | | 2016-10-24 | Bruno Victal | NF | no factor TF: 73-74 | | 2016-10-24 | Bruno Victal | NF | no factor TF: 72-73 | | 2016-10-24 | Bruno Victal | NF | no factor TF: 71-72 | | 2016-10-24 | Bruno Victal | NF-PM1 | B1=420000, B2=10500000, E=12 | | 2014-04-06 | Jerry Hallett | NF | no factor TF: 70-71 | | 2014-04-06 | Jerry Hallett | NF | no factor TF: 69-70 | | 2013-09-04 | Carsten Kossendey | NF | no factor TF: 68-69 | | 2007-10-29 | -anonymous- | C-LL | E6E4C447C131764B | | 2007-09-13 | -anonymous- | NF-PM1 | B1=410000, B2=4817500 | | 2006-06-13 | marnes | NF | no factor TF: 1-68 |
|