| 333043331 | Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime No factors below 281 TF target 281 |
| P-1 | | B1 = | 3165000 | | B2 = | 104445000 |
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| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2017-02-23 | aurashift | 28C741D6854CA7__ | 152824951 | Linux 64-bit,Prime95,v29.1,build 8 |
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| History | | Date | User | Type | Result |
|---|
| 2023-02-02 | Mark Rose | NF | no factor TF: 80-81 | | 2023-02-02 | Mark Rose | NF | no factor TF: 79-80 | | 2023-02-02 | Mark Rose | NF | no factor TF: 78-79 | | 2023-02-02 | Mark Rose | NF | no factor TF: 77-78 | | 2017-02-23 | aurashift | C-LL | 28C741D6854CA7__ | | 2017-01-08 | aurashift | NF | no factor TF: 76-77 | | 2017-01-08 | aurashift | NF-PM1 | B1=3165000, B2=104445000, E=12 | | 2017-01-03 | aurashift | NF | no factor TF: 75-76 | | 2014-05-23 | Preben S | NF | no factor TF: 74-75 | | 2013-12-27 | Preben S | NF | no factor TF: 73-74 | | 2013-10-07 | Preben S | NF | no factor TF: 72-73 | | 2013-01-18 | LaurV | NF | no factor TF: 71-72 | | 2013-01-18 | LaurV | NF | no factor TF: 70-71 | | 2013-01-18 | LaurV | NF | no factor TF: 69-70 | | 2012-04-16 | LaurV | NF | no factor TF: 66-69 | | 2010-11-03 | Architects Cubed | NF | no factor TF: 65-66 |
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