| 80000407 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 275 |
| P-1 | | B1 = | 2100000 | | B2 = | 48000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2016-06-11 | Ghetto_Child | C25F1F68B7D1FEB6 | 37864887 | Windows 64-bit,Prime95,v28.7,build 1 | | Verified | 2024-12-26 | Franklin Webber | C25F1F68B7D1FEB6 | 17990570 | Linux 64-bit,Prime95,v30.19,build 14 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-12-26 | Franklin Webber | C-LL | C25F1F68B7D1FEB6 | | 2020-02-18 | mikr | NF-PM1 | B1=2100000, B2=48000000, E=6 | | 2020-01-11 | mikr | NF | no factor TF: 75-76 | | 2016-12-05 | monst | NF | no factor TF: 74-75 | | 2016-06-11 | Ghetto_Child | C-LL | C25F1F68B7D1FEB6 | | 2015-10-29 | mikr | NF | no factor TF: 73-74 | | 2015-10-29 | mikr | NF | no factor TF: 72-73 | | 2015-04-19 | sasaki | NF | no factor TF: 71-72 | | 2010-12-15 | David Barley | NF | no factor TF: 70-71 | | 2010-10-18 | timbit | NF-PM1 | B1=900000, B2=24750000 | | 2009-05-01 | unconnected | NF | no factor TF: 69-70 | | 2009-04-08 | unconnected | NF | no factor TF: 68-69 | | 2009-04-02 | timbit | NF | no factor TF: 67-68 | | 2009-03-29 | timbit | NF | no factor TF: 66-67 |
|
