| 6853477 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-09-22 | Mark Fermann | 71E01D4733343C19 | 3697699 | Windows,Prime95,v18,(aka WU1) | | Factored | 2000-07-12 | Marcel Samek | 71E01D4733343C19 | 3719455 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2020-08-13 | storm5510 | E229A5804613DC78 | 1 | 3625184 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-08-13 | Team_Inspector | CERT | Proof certified good | | 2020-08-13 | storm5510 | C-PRP | Proof Certified Good Proof Power: 8
| | 2020-08-13 | takahashi | F-PM1 | Factor: 9622668243247486070401 / B1=2500000, B2=50000000 | | 2020-05-22 | TJAOI | NF | no factor TF: 68-69 | | 2019-04-16 | takahashi | NF-PM1 | B1=300000, B2=5000000, E=6 | | 2018-02-26 | -anonymous- | NF | no factor TF: 67-68 | | 2016-05-06 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-26 | VictordeHollander | NF | no factor TF: 65-66 | | 2014-03-26 | lycorn | NF | no factor TF: 64-65 | | 2014-03-26 | lycorn | NF | no factor TF: 63-64 | | 2012-08-07 | Nesowa | NF-PM1 | B1=80000, B2=1460000, E=6 | | 2009-06-25 | Carsten Kossendey | NF-PM1 | B1=35000, B2=542500 | | 2004-11-03 | David Campeau | NF | no factor TF: 1-63 | | 2000-07-12 | -anonymous- | C-LL | 71E01D4733343C19 | | 1999-09-22 | -anonymous- | C-LL | 71E01D4733343C19 | | 1998-07-21 | -anonymous- | NF | no factor TF: 1-62 | | 1998-07-05 | -anonymous- | NF | no factor TF: 1-61 |
|