| 7003999 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 267 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 78 / 280 |
Estimated T-Level: 21.4 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-06-15 | Rod Dunne | D61B0D25E5BC40FF | 332222 | Windows,Prime95,v18,(aka WU1) | | Factored | 2002-03-16 | Robert Holland | D61B0D25E5BC40FF | 2071088 | Windows,Prime95,v19,NT service,(aka WV5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-05 | pilotpsk | BC9743D7ED5F2F47 | 1 | 4721043 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-05 | Chun sung soo | CERT | Proof certified good | | 2025-03-05 | pilotpsk | C-PRP | M7003999/1511094200948761882211058919 : BC9743D7ED5F2F47 Proof Certified Good
Proof Power: 8
| | 2025-02-25 | NStorm | F-ECM | Factor: 1511094200948761882211058919 / ECM curve 44, B1=50000, B2=31134285, Edwards Sigma=5094372881053137 | | 2022-11-20 | DRobinsonPE | NF-PM1 | B1=3300000, B2=8559654180 | | 2022-06-22 | USAFSS | NF-PM1 | B1=810000, B2=41310000 | | 2022-05-23 | USAFSS | NF-PM1 | B1=398000, B2=22381000 | | 2020-10-29 | mikr | NF | no factor TF: 71-72 | | 2016-06-21 | ramgeis | NF | no factor TF: 70-71 | | 2016-06-21 | ramgeis | NF | no factor TF: 69-70 | | 2016-06-21 | ramgeis | NF | no factor TF: 68-69 | | 2016-06-16 | kkmrkkblmbrbk | NF | no factor TF: 67-68 | | 2016-04-26 | america64 | NF | no factor TF: 66-67 | | 2015-06-12 | VictordeHollander | NF | no factor TF: 65-66 | | 2015-06-04 | Squeeky_Squirrel | NF-PM1 | B1=180000, B2=4230000, E=6 | | 2014-02-13 | -anonymous- | NF | no factor TF: 64-65 | | 2014-02-06 | Nesowa | NF | no factor TF: 63-64 | | 2011-11-28 | bcp19 | NF-PM1 | B1=85000, B2=1530000, E=6 | | 2009-06-06 | Carsten Kossendey | NF-PM1 | B1=40000, B2=580000 | | 2004-02-14 | -anonymous- | NF | no factor TF: 1-63 | | 2002-03-16 | -anonymous- | C-LL | D61B0D25E5BC40FF | | 1999-06-15 | -anonymous- | C-LL | D61B0D25E5BC40FF | | 1999-02-21 | -anonymous- | NF | no factor TF: 1-62 | | 1998-02-12 | -anonymous- | NF | no factor TF: 1-61 |
|
