| 80053537 | Composite: proven not-prime with Lucas-Lehmer test No factors below 281 TF target 275 |
| P-1 | | B1 = | 15900000 | | B2 = | 2701343190 |
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| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Verified | 2017-03-18 | curtisc | D25DE247B0C39905 | 34642810 | Windows Service,Prime95,v28.7,build 1 | | Verified | 2026-03-11 | 0x | D25DE247B0C39905 | 0 | Windows 64-bit,prpll,vc363095-dirty |
|
| History | | Date | User | Type | Result |
|---|
| 2026-03-11 | 0x | C-LL | D25DE247B0C39905 | | 2026-02-26 | chuenkit | NF | no factor TF: 80-81 | | 2026-02-26 | chuenkit | NF | no factor TF: 79-80 | | 2026-02-24 | chuenkit | NF | no factor TF: 78-79 | | 2026-02-24 | chuenkit | NF | no factor TF: 77-78 | | 2026-02-24 | chuenkit | NF | no factor TF: 76-77 | | 2026-02-09 | Ensigma | NF-PM1 | B1=15900000, B2=2701343190 | | 2025-07-03 | Jarod McClintock | NF | no factor TF: 75-76 | | 2017-03-18 | curtisc | C-LL | D25DE247B0C39905 | | 2016-12-06 | AnthonyRais | NF-PM1 | B1=690000, B2=12247500 | | 2016-09-28 | Kevin Jaget | NF | no factor TF: 74-75 | | 2016-09-28 | Kevin Jaget | NF | no factor TF: 73-74 | | 2016-09-28 | Kevin Jaget | NF | no factor TF: 72-73 | | 2014-11-04 | garo | NF | no factor TF: 71-72 | | 2014-02-25 | -anonymous- | NF | no factor TF: 70-71 | | 2013-01-31 | Florimond C. | NF | no factor TF: 69-70 | | 2013-01-30 | rodgort42 | NF | no factor TF: 68-69 | | 2013-01-25 | Florimond C. | NF | no factor TF: 67-68 | | 2012-10-13 | mrozo009 | NF | no factor TF: 66-67 | | 2011-02-16 | Helmut Zulus | NF | no factor TF: 65-66 | | 2010-12-01 | Architects Cubed | NF | no factor TF: 64-65 |
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