| 47001533 | Composite: proven not-prime with Lucas-Lehmer test No factors below 273 TF target 272 |
| P-1 | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2010-11-20 | Reed_Young | 8BE8447B9BF43551 | 44823186 | Linux 64-bit,Prime95,v25.9,build 4 | | Verified | 2014-03-01 | Sebastian Hornbostel | 8BE8447B9BF43551 | 0 | CUDALucas v2.03 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-05-12 | James Heinrich | NF | no factor TF: 68-69 | | 2017-12-07 | ktony | NF | no factor TF: 72-73 | | 2014-03-01 | Sebastian Hornbostel | NF | no factor TF: 71-72 | | 2014-03-01 | Sebastian Hornbostel | C-LL | 8BE8447B9BF43551 | | 2012-07-31 | David Campeau | NF-PM1 | B1=615000, B2=13991250, E=6 | | 2012-06-28 | David Campeau | NF | no factor TF: 70-71 | | 2012-06-28 | David Campeau | NF | no factor TF: 69-70 | | 2011-09-29 | Carsten Kossendey | NF | no factor TF: 68-69 | | 2010-11-20 | Reed_Young | C-LL | 8BE8447B9BF43551 | | 2008-03-03 | JC_Herles | NF | no factor TF: 1-68 | | 2006-05-29 | Clark B. Wierda | NF | no factor TF: 1-62 |
|