| 2333297 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 200 / 280 |
Estimated T-Level: 23.6 ⓘ TF below 2^73 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-03-31 | Robert Evans | AD08E67C7B6BD5D7 | 0 | Windows,Prime95,v15,(aka WR1) | | Factored | 1999-03-01 | David Phillips | AD08E67C7B6BD5D7 | 1533831 | 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 | 7E91C2CFD79310D7 | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-11-23 | storm5510 | 7E91C2CFD79310D7 | 1 | 741824 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-04-20 | ViliamF | NF-PM1 | B1=5000000, B2=505000000 | | 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2333297/4416210883608856897 : 7E91C2CFD79310D7 | | 2017-10-11 | Oliver Kruse | C-PRP | M2333297/4416210883608856897 : 7E91C2CFD79310D7 | | 2012-05-27 | Sebastian Hornbostel | F-ECM | Factor: 4416210883608856897 | | 2010-02-22 | Bud | NF-PM1 | B1=500000, B2=10000000, E=12 | | 2009-01-14 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-09-21 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-03-01 | -anonymous- | C-LL | AD08E67C7B6BD5D7 | | 1998-03-31 | -anonymous- | C-LL | AD08E67C7B6BD5D7 |
|
