| 7678927 | 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 | | Paul Victor Novarese | 3AFE0A4BED70B53A | 0 | Mlucas,Ernst Mayer,v2.5 and later,(aka E2) | | Factored | 1999-08-31 | Mike Gehrman | 3AFE0A4BED70B53A | 4973449 | 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) | 2020-06-07 | Oliver Kruse | 533620919DFBF7E1 | 1 | 1872131 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-06-09 | Luigi Morelli | 533620919DFBF7E1 | 1 | 3493779 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-06-09 | Luigi Morelli | C-PRP | M7678927/712807463644984205620337 : 533620919DFBF7E1 | | 2020-06-07 | Oliver Kruse | C-PRP | M7678927/712807463644984205620337 : 533620919DFBF7E1 | | 2020-06-06 | GdS | F-PM1 | Factor: 712807463644984205620337 / B1=721165, B2=15144458 | | 2020-03-13 | TJAOI | NF | no factor TF: 68-69 | | 2018-07-31 | ramgeis | NF | no factor TF: 67-68 | | 2016-09-19 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-12 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-12-09 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-11 | Nesowa | NF | no factor TF: 63-64 | | 2012-09-18 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2009-08-05 | Carsten Kossendey | NF-PM1 | B1=45000, B2=686250, E=6 | | 1999-08-31 | -anonymous- | C-LL | 3AFE0A4BED70B53A | | 1998-12-06 | -anonymous- | NF | no factor TF: 1-62 | | 1998-11-14 | -anonymous- | NF | no factor TF: 1-63 | | 1998-10-25 | -anonymous- | NF | no factor TF: 1-62 | | 1998-10-18 | -anonymous- | NF | no factor TF: 1-62 | | 1998-09-20 | -anonymous- | NF | no factor TF: 1-62 | | 1998-08-30 | -anonymous- | NF | no factor TF: 1-62 | | 1998-08-24 | -anonymous- | NF | no factor TF: 1-62 | | 1998-08-09 | -anonymous- | NF | no factor TF: 1-62 | | 1998-07-29 | -anonymous- | NF | no factor TF: 1-62 |
|