| 5120351 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 273 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 28 / 280 |
Estimated T-Level: 20.5 ⓘ TF below 2^63 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-06-01 | Matthias Müller | 5CC6C6603853D9C7 | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2000-06-23 | Stanley L. Slonka,Jr. | 5CC6C6603853D9C7 | 4043958 | Windows,Prime95,v19,(aka WV1) |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Factored | Certified Good Power=7 | 2025-01-12 | dnova | D48AA6244B502E93 | 3608723 | 1 | 3 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-13 | dnova | D48AA6244B502E93 | 1 | 4474764 | 5 | 3 | | Verified | Certified Good | 2025-01-13 | dnova | D48AA6244B502E93 | 1 | 125060 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-13 | Shaffer | CERT | Proof certified good | | 2025-01-13 | kylesherman12 | CERT | Proof certified good | | 2025-01-13 | dnova | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-01-13 | dnova | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-01-12 | proski | CERT | Proof certified good | | 2025-01-12 | dnova | C-PRP | D48AA6244B502E93 Proof Certified Good
Proof Power: 7
| | 2025-01-06 | Andrey Dobrynin | F-ECM | Factor: 11784060765195923976805129 / ECM curve 12, B1=50000, B2=31130190, Edwards Sigma=5661102560400722 | | 2024-08-16 | Andrew B | NF | no factor TF: 72-73 | | 2024-08-16 | Andrew B | NF | no factor TF: 71-72 | | 2022-07-26 | Sid & Andy | NF-PM1 | B1=4000000, B2=10301320260 | | 2022-01-12 | mikr | NF | no factor TF: 70-71 | | 2020-12-15 | -anonymous- | NF | no factor TF: 69-70 | | 2020-11-23 | TJAOI | NF | no factor TF: 68-69 | | 2019-01-22 | King | NF-PM1 | B1=750000, B2=17500000 | | 2018-06-20 | ramgeis | NF | no factor TF: 67-68 | | 2016-05-20 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-08-06 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-14 | VictordeHollander | NF | no factor TF: 64-65 | | 2014-12-14 | VictordeHollander | NF | no factor TF: 63-64 | | 2009-09-04 | USAFSS | NF-PM1 | B1=55000, B2=921250, E=6 | | 2009-07-27 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2008-12-29 | Sturle Sunde | NF | no factor TF: 61-62 | | 2000-06-23 | -anonymous- | C-LL | 5CC6C6603853D9C7 | | 1998-06-01 | -anonymous- | C-LL | 5CC6C6603853D9C7 | | 1998-05-23 | -anonymous- | C-LL | 5CC6C6603853D9C7 | | 1998-01-22 | -anonymous- | NF | no factor TF: 1-61 |
|
