| 8395243 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 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 | ruud de vries | 41B724D87516A924 | 3308916 | Windows,Prime95,v19,NT service,(aka WV5) | | Factored | 2002-10-19 | Ars Technica Team Prime Rib | 41B724D87516A924 | 2731199 | Windows,Prime95,v22,(aka WY1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-10-22 | rucio | ADBF0DEE76E635FC | 1 | 2980215 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-05-17 | marssystems | ADBF0DEE76E635FC | 1 | 729696 | 5 | 3 | | Verified | Certified Good | 2022-08-26 | LordJulius | ADBF0DEE76E635FC | 2 | 3438017 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-22 | beep | NF-PM1 | B1=1800000, B2=8622634020 | | 2022-08-26 | hordkhen | CERT | Proof certified good | | 2022-08-26 | LordJulius | C-PRP | M8395243/43926150783513198143/204096705613788517351 : ADBF0DEE76E635FC Proof Certified Good
Proof Power: 8
| | 2022-08-26 | LordJulius | NF | no factor TF: 66-67 | | 2022-08-26 | LordJulius | NF | no factor TF: 1-64 | | 2022-08-26 | LordJulius | NF | no factor TF: 64-65 | | 2022-08-24 | TJAOI | F | Factor: 204096705613788517351 | | 2020-05-17 | marssystems | C-PRP | M8395243/43926150783513198143 : ADBF0DEE76E635FC | | 2018-10-22 | rucio | C-PRP | M8395243/43926150783513198143 : ADBF0DEE76E635FC | | 2015-06-03 | VictordeHollander | F | Factor: 43926150783513198143 / TF: 65-66 | | 2014-12-02 | David Campeau | NF | no factor TF: 64-65 | | 2014-03-13 | lycorn | NF | no factor TF: 64-65 | | 2012-08-25 | firejuggler | NF-PM1 | B1=95000, B2=1710000, E=6 | | 2002-10-19 | Team Prime Rib | C-LL | 41B724D87516A924 | | 2002-10-12 | Team Prime Rib | NF-PM1 | B1=45000, B2=641250, E=4 | | 2000-02-09 | Erik Oppedijk | C-LL | 41B724D87516A924 | | 1999-12-23 | Erik Oppedijk | NF | no factor TF: 1-64 | | 1998-10-04 | -anonymous- | NF | no factor TF: 1-62 | | 1998-09-27 | Amperio | NF | no factor TF: 1-61 |
|
