| 83233009 | Composite: proven not-prime with Lucas-Lehmer test No factors below 276 TF target 275 |
| P-1 | |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2018-02-23 | aurashift | 542C58C29B7201D1 | 37853163 | Linux 64-bit,Prime95,v29.4,build 5 | | Verified | 2026-02-05 | Greg | 542C58C29B7201D1 | 0 | Linux64,prpll,v46386d0 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-02-05 | Greg | C-LL | 542C58C29B7201D1 | | 2018-02-23 | aurashift | C-LL | 542C58C29B7201D1 | | 2017-11-01 | Oliver Kruse | NF-PM1 | B1=665000, B2=12967500, E=12 | | 2017-02-12 | TheJudger | NF | no factor TF: 75-76 | | 2017-01-01 | -anonymous- | NF | no factor TF: 74-75 | | 2017-01-01 | -anonymous- | NF | no factor TF: 72-73 | | 2017-01-01 | -anonymous- | NF | no factor TF: 73-74 | | 2017-01-01 | -anonymous- | NF | no factor TF: 71-72 | | 2013-06-12 | JMGarcia | NF | no factor TF: 70-71 | | 2013-02-20 | tmorrow | NF | no factor TF: 69-70 | | 2013-02-14 | Florimond C. | NF | no factor TF: 68-69 | | 2013-02-13 | Sergey Nosov | NF | no factor TF: 66-68 | | 2012-08-26 | Carsten Kossendey | NF | no factor TF: 65-66 | | 2010-12-03 | Architects Cubed | NF | no factor TF: 64-65 |
|
