| 82571791 | Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime No factors below 276 TF target 275 |
| P-1 | | B1 = | 8300000 | | B2 = | 83128500 |
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| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2018-01-11 | JohnK Wright V Plano Texas | D04ADAC82076DC__ | 29656077 | Windows,Prime95,v29.4,build 5 |
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| History | | Date | User | Type | Result |
|---|
| 2025-11-12 | yuriy_5-1 | NF-PM1 | B1=8300000, B2=83128500 | | 2025-07-14 | Jarod McClintock | NF | no factor TF: 75-76 | | 2018-01-11 | JohnK Wright V Plano Texas | C-LL | D04ADAC82076DC__ | | 2017-08-12 | tsc | NF-PM1 | B1=715000, B2=12512500 | | 2016-12-12 | TheJudger | NF | no factor TF: 74-75 | | 2016-12-12 | TheJudger | NF | no factor TF: 73-74 | | 2016-11-25 | Judge Hale | NF | no factor TF: 72-73 | | 2013-08-18 | SRS Technology | NF | no factor TF: 71-72 | | 2013-08-18 | SRS Technology | NF | no factor TF: 70-71 | | 2013-08-18 | SRS Technology | NF | no factor TF: 69-70 | | 2013-08-18 | SRS Technology | NF | no factor TF: 68-69 | | 2013-06-15 | NoWhereMan | NF | no factor TF: 67-68 | | 2013-01-31 | rjbelans | NF | no factor TF: 66-67 | | 2011-03-25 | kagakubu | NF | no factor TF: 65-66 | | 2010-12-18 | Architects Cubed | NF | no factor TF: 64-65 |
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