| 7351147 | 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 | 2000-01-19 | Tom Wu | E076719F8BEA9C7B | 6546143 | Linux 32-bit,Prime95,v19,(aka WV2) | | Factored | 2001-08-12 | Shiplake College | E076719F8BEA9C7B | 1722017 | Windows,Prime95,v20,(aka WW1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-05-03 | Oliver Kruse | 47E06F5B08011F4F | 1 | 643650 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-04 | ATH | 47E06F5B08011F4F | 1 | 5216482 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-05-04 | ATH | C-PRP | M7351147/137803914937075096520729 : 47E06F5B08011F4F | | 2020-05-03 | Oliver Kruse | C-PRP | M7351147/137803914937075096520729 : 47E06F5B08011F4F | | 2020-05-02 | Tha | F-PM1 | Factor: 137803914937075096520729 / B1=1000000, B2=20000000 | | 2020-04-17 | TJAOI | NF | no factor TF: 68-69 | | 2018-08-05 | ramgeis | NF | no factor TF: 67-68 | | 2016-10-06 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-21 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-11-21 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-28 | Nesowa | NF | no factor TF: 63-64 | | 2001-08-12 | -anonymous- | C-LL | E076719F8BEA9C7B | | 2001-06-09 | -anonymous- | NF-PM1 | B1=90000, B2=1462500 | | 2000-01-19 | -anonymous- | C-LL | E076719F8BEA9C7B | | 1998-07-29 | -anonymous- | NF | no factor TF: 1-63 | | 1998-07-29 | -anonymous- | NF | no factor TF: 1-62 | | 1998-07-11 | -anonymous- | NF | no factor TF: 1-61 |
|
