| 2328539 | 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 | 176 / 640 |
Estimated T-Level: 26.4 ⓘ TF below 2^83 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Larry English | 3E0F0974E860F813 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-05-30 | John Maurice | 3E0F0974E860F813 | 886317 | 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 | FD7FF9849207732A | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-11-23 | storm5510 | FD7FF9849207732A | 1 | 649911 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-04-13 | ViliamF | NF-PM1 | B1=5000000, B2=500000000 | | 2018-03-05 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2328539/66391641556217152607 : FD7FF9849207732A | | 2017-10-11 | Oliver Kruse | C-PRP | M2328539/66391641556217152607 : FD7FF9849207732A | | 2010-03-01 | Bud | F-PM1 | Factor: 66391641556217152607 | | 2009-01-14 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-09-21 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-05-30 | -anonymous- | C-LL | 3E0F0974E860F813 |
|
