| 7830913 | 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 | 2000-02-09 | James Struble | 63EC9FA73679EB19 | 1375405 | Windows,Prime95,v19,(aka WV1) | | Factored | 2002-07-06 | Christopher L. Hodge | 63EC9FA73679EB19 | 1709019 | FreeBSD 32-bit,Prime95,v21,(aka WX6) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2020-08-15 | storm5510 | 72EB8B0732BD52A6 | 1 | 7066942 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-08-15 | PluckyPizzicato | CERT | Proof certified good | | 2020-08-15 | storm5510 | C-PRP | Proof Certified Good
Proof Power: 8
| | 2020-08-15 | storm5510 | F-PM1 | Factor: 4642784640269359781187943 / B1=375000, B2=8250000 | | 2020-02-14 | TJAOI | NF | no factor TF: 68-69 | | 2018-08-05 | ramgeis | NF | no factor TF: 67-68 | | 2016-08-26 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-09 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-12-15 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-04 | Nesowa | NF | no factor TF: 63-64 | | 2012-09-04 | Nesowa | NF-PM1 | B1=95000, B2=1876250, E=6 | | 2002-07-06 | -anonymous- | C-LL | 63EC9FA73679EB19 | | 2002-05-05 | -anonymous- | NF-PM1 | B1=30000, B2=112500 | | 2000-06-11 | -anonymous- | C-LL | 63EC9FA73679EB19 | | 2000-05-17 | -anonymous- | C-LL | 63EC9FA73679EB19 | | 2000-05-05 | -anonymous- | C-LL | 63EC9FA73679EB19 | | 2000-04-05 | -anonymous- | C-LL | 63EC9FA73679EB19 | | 2000-02-09 | -anonymous- | C-LL | 63EC9FA73679EB19 | | 1998-10-11 | -anonymous- | NF | no factor TF: 1-63 | | 1998-10-11 | -anonymous- | NF | no factor TF: 1-62 | | 1998-08-09 | Geoff | NF | no factor TF: 1-61 |
|
