| 5136811 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 9 / 280 |
Estimated T-Level: 20.2 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-01-10 | Del Johnson | 5290EBBFDE6FF052 | 0 | Windows,Prime95,v17,(aka WT1) | | Factored | 2000-06-11 | Sam Scheinman | 5290EBBFDE6FF052 | 3021182 | Windows,Prime95,v18,(aka WU1) | | Factored | 2015-04-30 | MadPoo 🙂 | 5290EBBFDE6FF052 | 3339255 | Windows 64-bit,Prime95,v26,(aka We4) |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Factored | Certified Good Power=7 | 2025-01-11 | jeriffee | 6FBE5933AA67CB99 | 3722370 | 1 | 3 | | Factored | Certified Good Power=7 | 2025-01-11 | Torchwood Institute | 6FBE5933AA67CB99 | 5107137 | 1 | 3 | | Factored | Certified Good Power=7 | 2025-01-11 | Torchwood Institute | 6FBE5933AA67CB99 | 3811763 | 1 | 3 | | Factored | Certified Good Power=7 | 2025-01-11 | Torchwood Institute | 6FBE5933AA67CB99 | 144003 | 1 | 3 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-12 | Extremofire | 6FBE5933AA67CB99 | 1 | 4305546 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-13 | colossalfossil | CERT | Proof certified good | | 2025-01-12 | Extremofire | C-PRP | M5136811/1560064190949239472887161 : 6FBE5933AA67CB99 Proof Certified Good Proof Power: 7
| | 2025-01-11 | Section 31 | CERT | Proof certified good | | 2025-01-11 | Xyzzy | CERT | Proof certified good | | 2025-01-11 | Torchwood Institute | C-PRP | 6FBE5933AA67CB99 Proof Certified Good Proof Power: 7
| | 2025-01-11 | Torchwood Institute | C-PRP | 6FBE5933AA67CB99 Proof Certified Good Proof Power: 7
| | 2025-01-11 | Chuck | CERT | Proof certified good | | 2025-01-11 | Torchwood Institute | C-PRP | 6FBE5933AA67CB99 Proof Certified Good Proof Power: 7
| | 2025-01-11 | Odin | CERT | Proof certified good | | 2025-01-11 | jeriffee | C-PRP | 6FBE5933AA67CB99 Proof Certified Good Proof Power: 7
| | 2025-01-05 | fordobr | F-ECM | Factor: 1560064190949239472887161 / ECM curve 1, B1=50000, B2=32428935, Edwards Sigma=3500243460590031 | | 2024-09-11 | Sid & Andy | NF | no factor TF: 71-72 | | 2022-07-13 | Sid & Andy | NF-PM1 | B1=4000000, B2=10279039680 | | 2022-01-17 | mikr | NF | no factor TF: 70-71 | | 2021-10-06 | TJAOI | NF | no factor TF: 69-70 | | 2020-10-26 | TJAOI | NF | no factor TF: 68-69 | | 2019-04-15 | USAFSS | NF-PM1 | B1=305000, B2=9683750 | | 2018-06-20 | ramgeis | NF | no factor TF: 67-68 | | 2016-05-25 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-61 | | 2015-08-07 | snme2pm1 | NF | no factor TF: 65-66 | | 2015-04-30 | MadPoo 🙂 | C-LL | 5290EBBFDE6FF052 | | 2014-12-15 | VictordeHollander | NF | no factor TF: 64-65 | | 2014-12-15 | VictordeHollander | NF | no factor TF: 63-64 | | 2009-10-21 | S485122 | NF | no factor TF: 62-63 | | 2009-09-16 | USAFSS | NF-PM1 | B1=60000, B2=1065000, E=6 | | 2008-12-28 | Sturle Sunde | NF | no factor TF: 61-62 | | 2000-06-11 | -anonymous- | C-LL | 5290EBBFDE6FF052 | | 1999-01-10 | Del Johnson | C-LL | 5290EBBFDE6FF052 |
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