| 4715611 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 273 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 63 / 280 |
Estimated T-Level: 21.1 ⓘ TF below 2^65 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Mark J Ioli | 5158E246A505A060 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 2003-04-19 | David Kreuter | 5158E246A505A060 | 3352438 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-06 | fordobr | 71DF358E88ABE42E | 1 | 4161404 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-06 | kylesherman12 | CERT | Proof certified good | | 2025-01-06 | fordobr | C-PRP | M4715611/1364674660664185147654033 : 71DF358E88ABE42E Proof Certified Good
Proof Power: 7
| | 2025-01-06 | fordobr | F-ECM | Factor: 1364674660664185147654033 / ECM curve 15, B1=50000, B2=88280115, Edwards Sigma=2036678443250807 | | 2024-11-16 | TheJudger | NF | no factor TF: 72-73 | | 2024-11-16 | TheJudger | NF | no factor TF: 71-72 | | 2024-06-12 | Jason Lynch | NF-PM1 | B1=31222000, B2=718479371610 | | 2021-08-30 | axn | NF-PM1 | B1=8000000, B2=400000000 | | 2021-08-23 | SRBase | NF | no factor TF: 70-71 | | 2021-08-17 | SRBase | NF | no factor TF: 69-70 | | 2021-06-28 | TJAOI | NF | no factor TF: 68-69 | | 2021-04-20 | George Woltman | NF-PP1 | Start=2/7, B1=1000000, B2=61000000 | | 2018-10-05 | Yxinity | NF | no factor TF: 67-68 | | 2018-02-16 | BloodERazor | NF | no factor TF: 66-67 | | 2016-11-18 | Squeeky_Squirrel | NF-PM1 | B1=290000, B2=8700000, E=12 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-61 | | 2015-07-11 | snme2pm1 | NF | no factor TF: 65-66 | | 2015-01-11 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-11 | VictordeHollander | NF | no factor TF: 63-64 | | 2011-11-22 | Squeeky_Squirrel | NF-PM1 | B1=80000, B2=1360000, E=6 | | 2011-10-25 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2010-06-18 | markr | NF | no factor TF: 61-62 | | 2009-08-25 | Carsten Kossendey | NF-PM1 | B1=25000, B2=387500 | | 2005-03-20 | -anonymous- | C-LL | 5158E246A505A060 | | 2003-04-19 | -anonymous- | C-LL | 5158E246A505A060 | | 2000-02-16 | -anonymous- | C-LL | 5158E246A505A060 |
|
