| 2625169 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 112 / 280 |
Estimated T-Level: 22.0 ⓘ TF below 2^68 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Philipp Hänggi | 1F16D0128A75D122 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-04-23 | Angus Cameron | 1F16D0128A75D122 | 1016499 | 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) | 2017-10-17 | Oliver Kruse | 22946588FFDF41D4 | 1 | 2048880 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | 22946588FFDF41D4 | 1 | 144034 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-03-11 | LordJulius | NF | no factor TF: 1-60 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2625169/17772883804222663289 : 22946588FFDF41D4 | | 2017-10-17 | Oliver Kruse | C-PRP | M2625169/17772883804222663289 : 22946588FFDF41D4 | | 2009-03-13 | csaba | F-ECM | Factor: 17772883804222663289 | | 2009-02-01 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-11-08 | Team Prime Rib | NF-PM1 | B1=15000, B2=217500 | | 2003-10-31 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-04-23 | -anonymous- | C-LL | 1F16D0128A75D122 | | 1999-03-26 | -anonymous- | NF | no factor TF: 1-59 |
|
