| 3799127 | 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 | 56 / 640 |
Estimated T-Level: 25.4 ⓘ TF below 2^80 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-06-07 | Robert Friberg | B0FBB902CEAF882F | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-12-30 | Mac Lean Agencies bv | B0FBB902CEAF882F | 2051241 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-02-03 | Andrey Dobrynin | 3159434923E67EBD | 1 | 1422611 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-03 | M112358 | CERT | Proof certified good | | 2025-02-03 | Andrey Dobrynin | C-PRP | Proof Certified Good
Proof Power: 7
| | 2025-02-03 | Andrey Dobrynin | F-ECM | Factor: 40420362854187000758132086151 / ECM curve 39, B1=103632, B2=275660385, Edwards Sigma=8852435467625107 | | 2024-06-19 | TJAOI | NF | no factor TF: 70-71 | | 2024-05-13 | Joss | NF-PM1 | B1=10000000, B2=13986682710 | | 2023-12-07 | Joss | NF-PM1 | B1=2334136, B2=2514892380 | | 2023-09-05 | Joss | NF-PM1 | B1=1000000, B2=1508917410 | | 2021-06-14 | axn | NF-PM1 | B1=14000000, B2=700000000 | | 2021-04-12 | axn | NF | no factor TF: 69-70 | | 2020-09-29 | TJAOI | NF | no factor TF: 68-69 | | 2018-06-18 | TJAOI | NF | no factor TF: 67-68 | | 2016-11-15 | 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 | | 2015-01-27 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-27 | VictordeHollander | NF | no factor TF: 63-64 | | 2012-12-23 | Squeeky_Squirrel | NF-PM1 | B1=255000, B2=7777500, E=12 | | 2012-04-20 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-04-01 | markr | NF | no factor TF: 61-62 | | 2009-07-16 | Carsten Kossendey | NF-PM1 | B1=20000, B2=270000 | | 2009-03-01 | S485122 | NF | no factor TF: 60-61 | | 1999-12-30 | -anonymous- | C-LL | B0FBB902CEAF882F | | 1998-06-07 | -anonymous- | C-LL | B0FBB902CEAF882F | | 1998-05-01 | -anonymous- | NF | no factor TF: 1-60 |
|
