| 2317951 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 124 / 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 | | Tom Cage | 69269760A5F727E0 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1998-05-08 | INTERSHOP Communications | 69269760A5F727E0 | 0 | Windows,Prime95,v15,NT service,(aka WR5) | | Factored | 1998-06-20 | Shinji Miyamoto | 69269760A5F727E0 | 0 | Windows,Prime95,v15,(aka WR1) | | Factored | 1999-02-21 | Bjørn Roger Larsen | 69269760A5F727E0 | 358477 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-11 | Oliver Kruse | D5543DC23C52D88C | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-11-23 | storm5510 | D5543DC23C52D88C | 1 | 2060087 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-04-08 | ViliamF | NF-PM1 | B1=5000000, B2=505000000 | | 2018-02-26 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2317951/781423680080161847 : D5543DC23C52D88C | | 2017-10-11 | Oliver Kruse | C-PRP | M2317951/781423680080161847 : D5543DC23C52D88C | | 2003-09-14 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 2003-03-27 | -anonymous- | NF | no factor TF: 1-59 | | 2003-02-24 | -anonymous- | NF-PM1 | B1=4096, B2=409600, E=12 | | 2003-02-09 | -anonymous- | NF-PM1 | B1=2048, B2=204800, E=12 | | 1999-02-21 | -anonymous- | C-LL | 69269760A5F727E0 | | 1998-06-20 | -anonymous- | C-LL | 69269760A5F727E0 | | 1998-05-08 | netconx | C-LL | 69269760A5F727E0 |
|
