| 2523533 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 96 / 280 |
Estimated T-Level: 21.7 ⓘ TF below 2^67 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Vareck Bostrom | DCC3F1517D164B5E | 0 | Windows,Prime95,v13,NT service,(aka WP5) | | Factored | 1999-04-02 | John Mercer | DCC3F1517D164B5E | 801304 | Windows,Prime95,v17,(aka WT1) | | Factored | 2001-07-07 | IES R.Dieste-I.Larrosa | DCC3F1517D164B5E | 0 | Windows,Prime95,v14,(aka WQ1) |
|
| 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 | F40323E85AC1FA67 | 1 | 1401253 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-30 | storm5510 | F40323E85AC1FA67 | 1 | 253399 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-08-21 | USAFSS | NF-PM1 | B1=240000, B2=199861200 | | 2017-11-30 | storm5510 | C-PRP | M2523533/4819921634813856673 : F40323E85AC1FA67 | | 2017-10-14 | Oliver Kruse | C-PRP | M2523533/4819921634813856673 : F40323E85AC1FA67 | | 2003-10-31 | Team Prime Rib | F-PM1 | Factor: 4819921634813856673 | | 2003-10-23 | -anonymous- | F-PM1 | Factor: 4819921634813856673 | | 2001-07-07 | Ignacio_Larrosa | C-LL | DCC3F1517D164B5E | | 1999-04-02 | -anonymous- | C-LL | DCC3F1517D164B5E | | 1999-03-15 | -anonymous- | NF | no factor TF: 1-59 |
|
