| 33601507 | Composite: proven not-prime with Lucas-Lehmer test No factors below 274 TF target 271 |
| P-1 | | B1 = | 213000 | | B2 = | 152924310 |
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| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | | Steven H. Norton | 7133F89AF21B0164 | 26614065 | Windows,Prime95,v24 final,(aka Wc1) | | Verified | 2014-12-10 | jg5 | 7133F89AF21B0164 | 24485719 | Windows 64-bit,Prime95,v28.5,build 2 |
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| History | | Date | User | Type | Result |
|---|
| 2024-11-03 | tsc | NF-PM1 | B1=213000, B2=152924310 | | 2024-05-21 | James Heinrich | NF | no factor TF: 68-69 | | 2020-04-18 | -anonymous- | NF | no factor TF: 73-74 | | 2019-12-26 | -anonymous- | NF | no factor TF: 71-72 | | 2019-12-26 | -anonymous- | NF | no factor TF: 72-73 | | 2016-03-28 | Mark Rose | NF | no factor TF: 67-68 | | 2016-03-28 | Mark Rose | NF | no factor TF: 66-67 | | 2016-03-28 | Mark Rose | NF | no factor TF: 64-66 | | 2014-12-10 | jg5 | C-LL | 7133F89AF21B0164 | | 2013-05-01 | Axelsson | NF | no factor TF: 70-71 | | 2013-04-30 | Axelsson | NF | no factor TF: 69-70 | | 2012-12-24 | Carsten Kossendey | NF | no factor TF: 68-69 | | 2003-06-06 | markr | NF | no factor TF: 1-64 |
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