| 340705633 | Composite: proven not-prime with both PRP and Lucas-Lehmer tests No factors below 283 TF target 281 |
| P-1 | | B1 = | 4590000 | | B2 = | 137796000 |
|
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Bad | 2012-03-12 | Smok_bmv | C283F2F0C717C585 | 163629168 | Windows,Prime95,v25.9,build 4 | | Verified | 2020-06-16 | Fan Ming | 212B830621EA6CB0 | 0 | gpuowl,v0.0 | | Verified | 2026-02-14 | James Heinrich | 212B830621EA6CB0 | 59174477 | Windows 64-bit,Prime95,v31.4,build 2 |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Verified | Certified Good Power=10 | 2022-06-10 | Team_Inspector | 1BC2F43D0E6BF623 | 163571391 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-02-14 | James Heinrich | C-LL | 212B830621EA6CB0 | | 2022-06-11 | blaq | CERT | Proof certified good | | 2022-06-10 | Team_Inspector | C-PRP | 1BC2F43D0E6BF623 Proof Certified Good
Proof Power: 10
| | 2021-12-09 | LordJulius | NF | no factor TF: 71-77 | | 2020-07-10 | Fan Ming | NF | no factor TF: 82-83 | | 2020-06-16 | Fan Ming | C-LL | 212B830621EA6CB0 | | 2020-06-15 | Fan Ming | NF | no factor TF: 81-82 | | 2020-06-11 | Fan Ming | NF | no factor TF: 80-81 | | 2020-06-06 | Fan Ming | NF-PM1 | B1=4590000, B2=137796000 | | 2019-07-19 | Random GPUs | NF | no factor TF: 79-80 | | 2016-12-18 | Conductor | NF | no factor TF: 70-71 | | 2016-09-05 | Conductor | NF | no factor TF: 69-70 | | 2016-09-05 | Conductor | NF | no factor TF: 1-69 | | 2014-04-04 | Smok_bmv | NF | no factor TF: 78-79 | | 2012-03-12 | Smok_bmv | C-LL | C283F2F0C717C585 | | 2008-11-18 | Smok_bmv | NF-PM1 | B1=4590000 | | 2008-11-18 | Smok_bmv | NF | no factor TF: 1-78 | | 2008-11-02 | Smok_bmv | NF-PM1 | B1=4590000 | | 2008-11-02 | Smok_bmv | NF | no factor TF: 1-78 |
|
