| 43020671 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 272 |
| P-1 | | B1 = | 1500000 | | B2 = | 30000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2010-09-25 | Reed_Young | 3AFF870820724539 | 18569251 | Linux 64-bit,Prime95,v25.9,build 4 | | Verified | 2018-02-18 | S485122 | 3AFF870820724539 | 5237645 | Linux 64-bit,Prime95,v29.4,build 7 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-02-27 | -anonymous- | NF | no factor TF: 75-76 | | 2021-02-25 | -anonymous- | NF | no factor TF: 74-75 | | 2020-11-18 | Sid & Andy | NF-PM1 | B1=1500000, B2=30000000 | | 2020-01-24 | -anonymous- | NF | no factor TF: 73-74 | | 2018-12-26 | -anonymous- | NF | no factor TF: 72-73 | | 2018-02-18 | S485122 | C-LL | 3AFF870820724539 | | 2015-09-12 | Bruno Victal | NF | no factor TF: 71-72 | | 2015-05-02 | Mark Rose | NF | no factor TF: 70-71 | | 2015-02-25 | chalsall | NF | no factor TF: 69-70 | | 2014-03-09 | Torben K. | NF | no factor TF: 68-69 | | 2010-09-25 | Reed_Young | C-LL | 3AFF870820724539 | | 2009-12-14 | -anonymous- | NF-PM1 | B1=715000 | | 2007-08-14 | -anonymous- | NF | no factor TF: 1-68 | | 2004-03-16 | -anonymous- | NF | no factor TF: 1-62 | | 2003-12-31 | -anonymous- | NF | no factor TF: 1-62 |
|
