| 3735253 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 273 / 280 |
Estimated T-Level: 24.9 ⓘ TF below 2^78 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-01-26 | Malcolm Gray | 309543F72B90417A | 0 | Windows,Prime95,v15,(aka WR1) | | Factored | 2000-05-17 | M. Weber | 309543F72B90417A | 1552128 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-31 | fordobr | 4B2ED695F7CCBC1A | 1 | 2359540 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-31 | JG48 | CERT | Proof certified good | | 2025-03-31 | fordobr | C-PRP | M3735253/2957214182498098290731527 : 4B2ED695F7CCBC1A Proof Certified Good
Proof Power: 7
| | 2025-03-31 | fordobr | F-ECM | Factor: 2957214182498098290731527 / ECM curve 30, B1=122336, B2=275660385, Edwards Sigma=6812340608435067 | | 2024-12-20 | TJAOI | NF | no factor TF: 70-71 | | 2024-10-07 | Joss | NF-PM1 | B1=10000000, B2=14458844400 | | 2024-01-01 | Joss | NF-PM1 | B1=2350021, B2=5118553440 | | 2023-09-03 | Joss | NF-PM1 | B1=1000000, B2=1508917410 | | 2021-05-31 | axn | NF-PM1 | B1=14000000, B2=700000000 | | 2021-03-16 | axn | NF | no factor TF: 69-70 | | 2020-12-10 | axn | NF | no factor TF: 68-69 | | 2018-09-10 | TJAOI | NF | no factor TF: 67-68 | | 2017-06-09 | Joss | NF-PM1 | B1=360000, B2=3600000, E=6 | | 2016-11-05 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-25 | ramgeis | NF | no factor TF: 65-66 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-09-05 | Squeeky_Squirrel | NF-PM1 | B1=180000, B2=4950000, E=6 | | 2015-01-23 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-23 | VictordeHollander | NF | no factor TF: 63-64 | | 2014-08-25 | -anonymous- | NF-PM1 | B1=77183 | | 2013-02-08 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=945000, E=6 | | 2012-04-20 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-05-07 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-03-05 | S485122 | NF | no factor TF: 60-61 | | 2000-05-24 | ANONYMOUS | C-LL | 309543F72B90417A | | 2000-05-17 | ANONYMOUS | C-LL | 309543F72B90417A | | 2000-04-19 | David Campeau | NF-PM1 | B1=20000, B2=220000 | | 1998-01-26 | -anonymous- | C-LL | 309543F72B90417A | | 1998-01-05 | -anonymous- | NF | no factor TF: 1-60 |
|
