| 3152239 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 79 / 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 | 1998-06-01 | Jim Hunt | 7153E1ADDFEA897E | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-08-07 | Dieter Thau | 7153E1ADDFEA897E | 2763967 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-04 | fordobr | FD344E6193B4F719 | 1 | 1037725 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-04 | ohne-makler | CERT | Proof certified good | | 2025-01-04 | fordobr | C-PRP | M3152239/1023638781372702524384474159 : FD344E6193B4F719 Proof Certified Good
Proof Power: 7
| | 2025-01-04 | fordobr | F-ECM | Factor: 1023638781372702524384474159 / ECM curve 35, B1=144585, B2=616193655, Edwards Sigma=1478765902787573 | | 2023-04-03 | Sid & Andy | NF-PM1 | B1=9400000, B2=24089580900 | | 2022-12-29 | mikr | NF | no factor TF: 69-70 | | 2021-06-14 | TJAOI | NF | no factor TF: 68-69 | | 2019-05-03 | mikr | NF-PM1 | B1=3000000, B2=100000000, E=12 | | 2019-02-04 | TJAOI | NF | no factor TF: 67-68 | | 2017-04-22 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-11-24 | HBendtz | NF-PM1 | B1=500000, B2=12000000, E=12 | | 2015-06-17 | Tha | NF | no factor TF: 65-66 | | 2015-02-11 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-02-11 | VictordeHollander | NF | no factor TF: 63-64 | | 2013-09-04 | Squeeky_Squirrel | NF-PM1 | B1=110000, B2=2502500, E=6 | | 2013-01-03 | dbaugh | NF | no factor TF: 62-63 | | 2011-11-04 | markr | NF | no factor TF: 1-62 | | 2011-09-07 | Squeeky_Squirrel | NF-PM1 | B1=55000, B2=948750, E=6 | | 2009-07-03 | Carsten Kossendey | NF-PM1 | B1=15000, B2=183750 | | 2009-04-09 | S485122 | NF | no factor TF: 60-61 | | 2004-02-07 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 2001-06-23 | David Campeau | NF | no factor TF: 1-60 | | 1999-08-07 | -anonymous- | C-LL | 7153E1ADDFEA897E | | 1998-06-01 | -anonymous- | C-LL | 7153E1ADDFEA897E |
|
