| 2335381 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 116 / 640 |
Estimated T-Level: 25.9 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Dongsheng Liu | 4CC01C2303E5E29B | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-06-26 | Patrick Schmid | 4CC01C2303E5E29B | 1323021 | Windows,Prime95,v18,NT service,(aka WU5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-12 | Oliver Kruse | D7BBE6409081B7E4 | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-11-23 | storm5510 | D7BBE6409081B7E4 | 1 | 497024 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-04-20 | ViliamF | NF-PM1 | B1=5000000, B2=505000000 | | 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2335381/14238002385172813442201 : D7BBE6409081B7E4 | | 2017-10-12 | Oliver Kruse | C-PRP | M2335381/14238002385172813442201 : D7BBE6409081B7E4 | | 2017-02-13 | bam | F-ECM | Factor: 14238002385172813442201 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2015-10-25 | 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 | | 2013-12-03 | Luigi Morelli | NF | no factor TF: 62-63 | | 2012-05-27 | Sebastian Hornbostel | NF | no factor TF: 61-62 | | 2010-03-02 | Bud | NF-PM1 | B1=500000, B2=10000000, E=12 | | 2009-01-14 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-09-21 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-06-26 | -anonymous- | C-LL | 4CC01C2303E5E29B |
|
