| 2446891 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 200 / 280 |
Estimated T-Level: 23.6 ⓘ TF below 2^73 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Joe Miller | E2AB18D82C7C09DD | 0 | Linux 32-bit,Prime95,v11,(aka WL) | | Factored | 1999-12-23 | David Campeau | E2AB18D82C7C09DD | 283503 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-13 | Oliver Kruse | BC502A5864CAFBBC | 1 | 1193180 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-28 | storm5510 | BC502A5864CAFBBC | 1 | 1630757 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-03-10 | LordJulius | NF | no factor TF: 1-60 | | 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-28 | storm5510 | C-PRP | M2446891/2160779960370967778033 : BC502A5864CAFBBC | | 2017-10-13 | Oliver Kruse | C-PRP | M2446891/2160779960370967778033 : BC502A5864CAFBBC | | 2014-01-27 | mikr | F-PM1 | Factor: 2160779960370967778033 | | 2013-12-04 | Jerry Hallett | NF | no factor TF: 62-63 | | 2012-06-06 | Sebastian Hornbostel | NF | no factor TF: 61-62 | | 2011-01-19 | Oscar Östlin | NF-PM1 | B1=95000, B2=1947500, E=6 | | 2011-01-18 | Joss | NF-PM1 | B1=50000 | | 2010-11-19 | Joss | NF-PM1 | B1=20000 | | 2009-01-16 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-10-31 | Team Prime Rib | NF-PM1 | B1=15000, B2=232500 | | 2003-10-14 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-12-23 | David Campeau | C-LL | E2AB18D82C7C09DD | | 1999-08-07 | -anonymous- | NF | no factor TF: 1-59 |
|
