| 4182103 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 181 / 280 |
Estimated T-Level: 23.2 ⓘ TF below 2^72 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | David A McGough | 0E85DA3E4EB04F5C | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-11-04 | Teo Chee Keong | 0E85DA3E4EB04F5C | 3475367 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-26 | Ruslan Borisov | F13236A55EB398DB | 1 | 2621634 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-26 | COMPUTRON9001 | CERT | Proof certified good | | 2025-02-26 | Ruslan Borisov | C-PRP | M4182103/746085909834718071060331638321887 : F13236A55EB398DB Proof Certified Good
Proof Power: 7
| | 2025-02-26 | Ruslan Borisov | F-ECM | Factor: 746085909834718071060331638321887 / ECM curve 32, B1=84551, B2=86479575, Edwards Sigma=3475306184320688 | | 2022-12-12 | DRobinsonPE | NF-PM1 | B1=6200000, B2=32702012070 | | 2022-07-30 | Denial140 | NF | no factor TF: 71-72 | | 2022-06-04 | mikr | NF | no factor TF: 70-71 | | 2021-06-28 | axn | NF | no factor TF: 69-70 | | 2021-06-21 | TJAOI | NF | no factor TF: 68-69 | | 2021-04-24 | Zhang Ruichong | NF-PM1 | B1=500000, B2=20000000 | | 2018-12-07 | Yxinity | NF | no factor TF: 67-68 | | 2017-12-21 | Yxinity | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-06-05 | snme2pm1 | NF | no factor TF: 65-66 | | 2013-12-28 | Squeeky_Squirrel | NF-PM1 | B1=145000, B2=3371250, E=6 | | 2013-11-23 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-20 | Jayder | NF | no factor TF: 63-64 | | 2011-05-28 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-01-31 | Grant McCracken | NF | no factor TF: 61-62 | | 2008-11-01 | Jayson King | NF-PM1 | B1=55000, B2=1100000, E=6 | | 2001-11-24 | David Campeau | NF | no factor TF: 1-61 | | 1999-11-17 | -anonymous- | C-LL | 0E85DA3E4EB04F5C | | 1999-11-04 | -anonymous- | C-LL | 0E85DA3E4EB04F5C | | 1999-10-29 | -anonymous- | C-LL | 0E85DA3E4EB04F5C | | 1999-10-15 | -anonymous- | C-LL | 0E85DA3E4EB04F5C |
|
