| 3585271 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 80 / 640 |
Estimated T-Level: 25.6 ⓘ TF below 2^80 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Roger Smith | 558D8AAAD60BA69C | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-09-22 | Eric Whitney | 558D8AAAD60BA69C | 2193243 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-28 | fordobr | A468899D5D85656C | 1 | 850143 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-28 | George Woltman | CERT | Proof certified good | | 2025-03-28 | fordobr | C-PRP | M3585271/57423510606875409515881 : A468899D5D85656C Proof Certified Good
Proof Power: 7
| | 2025-03-28 | fordobr | F-ECM | Factor: 57423510606875409515881 / ECM curve 47, B1=131737, B2=275660385, Edwards Sigma=3735222980515589 | | 2023-06-14 | Sid & Andy | NF-PM1 | B1=5800000, B2=17999291310 | | 2023-05-27 | Joss | NF-PM1 | B1=1000000, B2=1381830450 | | 2021-11-10 | ArtyomP | NF-PP1 | Start=6/5, B1=50000, B2=2500000 | | 2021-11-10 | ArtyomP | NF-PP1 | Start=2/7, B1=50000, B2=2500000 | | 2021-03-17 | -anonymous- | NF | no factor TF: 70-71 | | 2021-03-17 | -anonymous- | NF | no factor TF: 69-70 | | 2020-12-20 | axn | NF | no factor TF: 68-69 | | 2020-02-11 | BigBrother | NF-PM1 | B1=3000000, B2=90000000 | | 2018-09-17 | TJAOI | NF | no factor TF: 67-68 | | 2017-01-20 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-06-02 | Joss | NF-PM1 | B1=170000, B2=3187500, E=6 | | 2016-05-23 | Squeeky_Squirrel | NF-PM1 | B1=225000, B2=6581250, E=12 | | 2016-02-26 | ramgeis | NF | no factor TF: 65-66 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2015-02-07 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-02-07 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-07-02 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-12-28 | Squeeky_Squirrel | NF-PM1 | B1=85000, B2=1593750, E=6 | | 2011-06-19 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-07-09 | Carsten Kossendey | NF-PM1 | B1=20000, B2=245000 | | 2009-03-14 | S485122 | NF | no factor TF: 60-61 | | 1999-09-22 | -anonymous- | C-LL | 558D8AAAD60BA69C |
|
