| 48427231 | 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 |
|---|
| Bad | 2009-12-23 | seekua | AC8F96E16EB9EF12 | 12923983 | Windows 64-bit,Prime95,v25.9,build 4 | | Verified | 2015-10-12 | MadPoo 🙂 | F88850CBFD1CE818 | 38072877 | Windows 64-bit,Prime95,v26,(aka We4) | | Verified | 2016-08-22 | AirSquirrels | F88850CBFD1CE818 | 17525727 | CUDALucas v2.05.1 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-06-17 | -anonymous- | NF | no factor TF: 75-76 | | 2021-06-17 | -anonymous- | NF | no factor TF: 74-75 | | 2021-06-07 | Sid & Andy | NF-PM1 | B1=1500000, B2=45000000 | | 2020-01-12 | -anonymous- | NF | no factor TF: 73-74 | | 2018-02-26 | monst | NF | no factor TF: 72-73 | | 2016-08-22 | AirSquirrels | C-LL | F88850CBFD1CE818 | | 2015-10-12 | MadPoo 🙂 | C-LL | F88850CBFD1CE818 | | 2015-08-24 | AirSquirrels | NF | no factor TF: 71-72 | | 2015-08-24 | AirSquirrels | NF | no factor TF: 70-71 | | 2015-08-18 | Gordon Spence | NF | no factor TF: 69-70 | | 2009-12-23 | seekua | C-LL | AC8F96E16EB9EF12 | | 2009-11-20 | seekua | NF-PM1 | B1=555000, B2=12487500 | | 2008-05-21 | TheJudger | NF | no factor TF: 1-69 | | 2003-06-06 | Thomas Mullen | NF | no factor TF: 1-59 | | 2002-03-16 | Joss | NF | no factor TF: 1-57 |
|
