| 402637217 | Composite: proven not-prime with Lucas-Lehmer test No factors below 282 TF target 281 |
| P-1 | | B1 = | 20000000 | | B2 = | 20000000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Bad | 2018-12-27 | Roland Clarkson | 1B4AD09D3CC4518F | 94771985 | Windows 64-bit,Prime95,v29.4,build 8 | | Verified | 2019-02-27 | ramgeis | E8243671EF5284BD | 201320765 | CUDALucas v2.06beta | | Verified | 2019-08-08 | Mark Rose | E8243671EF5284BD | 338298880 | Linux 64-bit,Prime95,v29.4,build 8 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-08-08 | Mark Rose | C-LL | E8243671EF5284BD | | 2019-04-20 | Yxinity | NF-PM1 | B1=20000000 | | 2019-04-19 | Yxinity | NF-PM1 | B1=20000000 | | 2019-04-12 | Mark Rose | NF | no factor TF: 81-82 | | 2019-04-12 | Mark Rose | NF | no factor TF: 80-81 | | 2019-04-06 | Mark Rose | NF-PM1 | B1=1605000, B2=34908750, E=12 | | 2019-03-05 | Yxinity | NF | no factor TF: 79-80 | | 2019-03-04 | Yxinity | NF | no factor TF: 78-79 | | 2019-03-04 | Yxinity | NF | no factor TF: 77-78 | | 2019-03-03 | Yxinity | NF | no factor TF: 76-77 | | 2019-03-03 | Yxinity | NF | no factor TF: 75-76 | | 2019-03-03 | Yxinity | NF | no factor TF: 74-75 | | 2019-03-03 | Yxinity | NF | no factor TF: 73-74 | | 2019-03-03 | Yxinity | NF | no factor TF: 72-73 | | 2019-03-03 | Yxinity | NF | no factor TF: 71-72 | | 2019-03-03 | Yxinity | NF | no factor TF: 70-71 | | 2019-03-03 | Yxinity | NF | no factor TF: 69-70 | | 2019-03-03 | Yxinity | NF | no factor TF: 32-69 | | 2019-02-27 | ramgeis | C-LL | E8243671EF5284BD | | 2018-12-31 | ramgeis | NF | no factor TF: 71-77 | | 2018-12-30 | kkmrkkblmbrbk | NF | no factor TF: 71-76 | | 2018-12-27 | Roland Clarkson | C-LL | 1B4AD09D3CC4518F | | 2018-12-25 | Neutron3529 | NF | no factor TF: 70-71 | | 2018-12-25 | Neutron3529 | NF | no factor TF: 68-70 | | 2018-11-06 | Roland Clarkson | NF-PM1 | B1=9750000 | | 2017-08-18 | sasaki | NF | no factor TF: 68-69 | | 2014-01-08 | The Mawn | NF | no factor TF: 65-68 |
|
