| 3658327 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 172 / 280 |
Estimated T-Level: 23.1 ⓘ TF below 2^72 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-01-27 | Marc Honey | 15DDE8845348270B | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-08-22 | Jeff Anderson | 15DDE8845348270B | 564854 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-07 | fordobr | 765ED176F9B7D314 | 1 | 298502 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-08 | Xyzzy | CERT | Proof certified good | | 2025-01-07 | fordobr | C-PRP | M3658327/1438179997528080687548485561 : 765ED176F9B7D314 Proof Certified Good
Proof Power: 7
| | 2025-01-07 | fordobr | F-ECM | Factor: 1438179997528080687548485561 / ECM curve 15, B1=108432, B2=145935405, Edwards Sigma=1221439687307456 | | 2024-08-01 | Joss | NF-PM1 | B1=10000000, B2=14686021350 | | 2023-12-17 | Joss | NF-PM1 | B1=2369664, B2=4778283510 | | 2023-08-29 | Joss | NF-PM1 | B1=1000000, B2=1257446190 | | 2020-11-21 | axn | NF | no factor TF: 69-70 | | 2020-11-09 | axn | NF | no factor TF: 68-69 | | 2020-09-21 | axn | NF-PM1 | B1=30000000, B2=600000000 | | 2019-01-07 | TJAOI | NF | no factor TF: 67-68 | | 2017-03-07 | Joss | NF-PM1 | B1=241228, B2=2412280, E=6 | | 2017-01-29 | Joss | NF-PM1 | B1=167520 | | 2016-12-30 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-12-29 | Joss | NF-PM1 | B1=129600 | | 2016-06-15 | Joss | NF-PM1 | B1=108000, B2=3285000, E=6 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-10-21 | ramgeis | NF | no factor TF: 65-66 | | 2015-01-23 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-23 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-06-05 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2012-02-02 | Squeeky_Squirrel | NF-PM1 | B1=90000, B2=1642500, E=6 | | 2011-05-08 | markr | NF | no factor TF: 61-62 | | 2009-07-08 | Carsten Kossendey | NF-PM1 | B1=20000, B2=250000 | | 2009-03-10 | S485122 | NF | no factor TF: 60-61 | | 1999-08-22 | -anonymous- | C-LL | 15DDE8845348270B | | 1998-01-27 | mhoney | C-LL | 15DDE8845348270B | | 1998-01-27 | mhoney | NF | no factor TF: 1-60 |
|
