| 7020311 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-08-16 | Armen Abrahamian | 551F830ECE7A85E5 | 3736019 | Windows,Prime95,v18,(aka WU1) | | Factored | 2000-02-09 | Zoe C Johnson | 551F830ECE7A85E5 | 6078763 | Windows,Prime95,v19,(aka WV1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-04-19 | AbsolutXTR | DE6B8B8FF176DFED | 1 | 3639747 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-04-22 | oodaira | DE6B8B8FF176DFED | 1 | 6444402 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2020-04-22 | oodaira | C-PRP | M7020311/445163086548066810239 : DE6B8B8FF176DFED | | 2020-04-19 | AbsolutXTR | C-PRP | M7020311/445163086548066810239 : DE6B8B8FF176DFED | | 2020-04-17 | TJAOI | F | Factor: 445163086548066810239 / TF: 68-69 | | 2018-07-19 | ramgeis | NF | no factor TF: 67-68 | | 2017-05-03 | Squeeky_Squirrel | NF-PM1 | B1=410000, B2=12505000, E=12 | | 2016-06-17 | kkmrkkblmbrbk | NF | no factor TF: 66-67 | | 2015-08-24 | Mark Rose | NF | no factor TF: 65-66 | | 2014-02-12 | lycorn | NF | no factor TF: 64-65 | | 2014-02-06 | Nesowa | NF | no factor TF: 63-64 | | 2012-01-05 | bcp19 | NF-PM1 | B1=85000, B2=1530000, E=6 | | 2009-06-06 | Carsten Kossendey | NF-PM1 | B1=40000, B2=580000 | | 2000-02-09 | -anonymous- | C-LL | 551F830ECE7A85E5 | | 1999-10-29 | -anonymous- | NF | no factor TF: 1-63 | | 1999-08-16 | -anonymous- | C-LL | 551F830ECE7A85E5 | | 1998-06-01 | Smegheads | NF | no factor TF: 1-62 |
|
