| 2471633 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 268 / 280 |
Estimated T-Level: 24.8 ⓘ TF below 2^77 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Simon Burge | 8A8D48C3D99AACB2 | 0 | Crandall,(aka X) | | Factored | 1999-05-30 | Choi Woo Jin | 8A8D48C3D99AACB2 | 1509397 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-14 | Oliver Kruse | CB39D6ED0671051C | 1 | 1401080 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-29 | storm5510 | CB39D6ED0671051C | 1 | 2224256 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-29 | storm5510 | C-PRP | M2471633/116815495241234500367 : CB39D6ED0671051C | | 2017-10-14 | Oliver Kruse | C-PRP | M2471633/116815495241234500367 : CB39D6ED0671051C | | 2016-06-20 | Jason U | F-ECM | Factor: 116815495241234500367 | | 2016-02-23 | Mark Rose | NF | no factor TF: 59-60 | | 2015-10-27 | ramgeis | NF | no factor TF: 65-66 | | 2015-03-03 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-03-03 | VictordeHollander | NF | no factor TF: 63-64 | | 2013-10-24 | David Campeau | NF-PM1 | B1=590000, B2=15930000, E=12 | | 2013-02-21 | dbaugh | NF | no factor TF: 62-63 | | 2012-08-05 | Grant McCracken | NF | no factor TF: 61-62 | | 2010-12-04 | Joss | NF-PM1 | B1=247163 | | 2010-11-19 | Joss | NF-PM1 | B1=20000 | | 2009-01-15 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-10-31 | Team Prime Rib | NF-PM1 | B1=15000, B2=228750 | | 2003-10-14 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-05-30 | Choi4KANG | C-LL | 8A8D48C3D99AACB2 | | 1999-05-02 | Choi4KANG | NF | no factor TF: 1-59 |
|
