| 2498701 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 130 / 280 |
Estimated T-Level: 22.3 ⓘ TF below 2^69 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Kees Hoogakker | B458E713A917D406 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-05-09 | Marc Getty / Phil Fizur | B458E713A917D406 | 932362 | 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) | 2017-10-14 | Oliver Kruse | D22A0BE44B80A01A | 1 | 1406354 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-30 | storm5510 | D22A0BE44B80A01A | 1 | 126918 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2498701/1005776768061351943 : D22A0BE44B80A01A | | 2017-10-14 | Oliver Kruse | C-PRP | M2498701/1005776768061351943 : D22A0BE44B80A01A | | 2003-10-31 | Team Prime Rib | NF-PM1 | B1=15000, B2=228750 | | 2003-10-23 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-05-09 | -anonymous- | C-LL | B458E713A917D406 | | 1999-05-02 | -anonymous- | NF | no factor TF: 1-59 |
|
