| 2314717 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 123 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Eric Prestemon | B4C9C401AEC6AE0F | 0 | Linux 32-bit,Prime95,v13,(aka WP2) | | Factored | 1999-02-21 | David Phillips | B4C9C401AEC6AE0F | 465993 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-11 | Oliver Kruse | DFFA79399F511D84 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-23 | storm5510 | DFFA79399F511D84 | 1 | 1911768 | 1 | 3 | | Verified | Certified Good | 2025-05-27 | JC_Herles | EA1448DD641178F8 | 2 | 1565956 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-27 | EMBD | CERT | Proof certified good | | 2025-05-27 | JC_Herles | C-PRP | M2314717/684853427457886471/3333359732759044716491283271 : EA1448DD641178F8 Proof Certified Good
Proof Power: 7
| | 2025-05-27 | JC_Herles | F-ECM | Factor: 3333359732759044716491283271 / ECM curve 36, B1=87185, B2=46074930, Edwards Sigma=3425264066871393 | | 2021-05-24 | ViliamF | NF-PM1 | B1=5000000, B2=505000000 | | 2018-02-27 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2314717/684853427457886471 : DFFA79399F511D84 | | 2017-10-11 | Oliver Kruse | C-PRP | M2314717/684853427457886471 : DFFA79399F511D84 | | 2003-09-14 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-02-21 | -anonymous- | C-LL | B4C9C401AEC6AE0F |
|
