| 5135441 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 39 / 280 |
Estimated T-Level: 20.7 ⓘ TF below 2^64 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Ken Kriesel | B13F4D19EA26F4D4 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 2000-12-07 | Leo Krabbendam | B13F4D19EA26F4D4 | 2112637 | Windows,Prime95,v19,(aka WV1) |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Factored | Certified Good Power=7 | 2025-01-11 | dnova | 9C0276ED732C2EF6 | 139505 | 1 | 3 | | Factored | Certified Good Power=7 | 2025-01-12 | dnova | 9C0276ED732C2EF6 | 4319264 | 1 | 3 | | Factored | Certified Good Power=7 | 2025-01-15 | 1144551144 | 9C0276ED732C2EF6 | 783245 | 1 | 3 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-14 | Massimo Cappelli (ik5pwa) | 9C0276ED732C2EF6 | 1 | 2377426 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-15 | dgrover | CERT | Proof certified good | | 2025-01-15 | 1144551144 | C-PRP | 9C0276ED732C2EF6 Proof Certified Good
Proof Power: 7
| | 2025-01-14 | Chris Rycroft | CERT | Proof certified good | | 2025-01-14 | Massimo Cappelli (ik5pwa) | C-PRP | M5135441/26077053541384927057729 : 9C0276ED732C2EF6 Proof Certified Good
Proof Power: 7
| | 2025-01-12 | KongoCache | CERT | Proof certified good | | 2025-01-12 | dnova | C-PRP | 9C0276ED732C2EF6 Proof Certified Good
Proof Power: 7
| | 2025-01-11 | Hiroyuki Yasui | CERT | Proof certified good | | 2025-01-11 | dnova | C-PRP | 9C0276ED732C2EF6 Proof Certified Good
Proof Power: 7
| | 2025-01-05 | fordobr | F-ECM | Factor: 26077053541384927057729 / ECM curve 19, B1=50000, B2=32428935, Edwards Sigma=6872871501298008 | | 2024-09-10 | Sid & Andy | NF | no factor TF: 71-72 | | 2022-07-11 | Sid & Andy | NF-PM1 | B1=4000000, B2=10345160280 | | 2022-01-17 | mikr | NF | no factor TF: 70-71 | | 2021-10-13 | TJAOI | NF | no factor TF: 69-70 | | 2020-11-02 | TJAOI | NF | no factor TF: 68-69 | | 2019-04-12 | USAFSS | NF-PM1 | B1=305000, B2=9607500 | | 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 | | 2014-12-15 | VictordeHollander | NF | no factor TF: 64-65 | | 2014-12-15 | VictordeHollander | NF | no factor TF: 63-64 | | 2009-10-18 | 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 | | 2000-12-07 | -anonymous- | C-LL | B13F4D19EA26F4D4 |
|
