| 4617793 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 9 / 280 |
Estimated T-Level: 20.2 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Sturle Sunde | F9C66F38646E89CA | 0 | Mac,John Sweeney,v1.4,(aka J3) | | Bad | | Nicolau Corcao Saldanha | 9753C2AE22288D5C | 0 | Linux 32-bit,Prime95,v14,(aka WQ2) | | Factored | 2001-01-28 | Stephen Wood | F9C66F38646E89CA | 2313981 | Linux 32-bit,Prime95,v20,(aka WW2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-05-02 | ATH | B4132C0E63B0642F | 1 | 2381284 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-05-02 | storm5510 | B4132C0E63B0642F | 1 | 3300576 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-05-02 | storm5510 | C-PRP | M4617793/138197030693439666847 : B4132C0E63B0642F | | 2018-05-02 | ATH | C-PRP | M4617793/138197030693439666847 : B4132C0E63B0642F | | 2018-05-01 | Gordon Spence | F | Factor: 138197030693439666847 / TF: 66-67 | | 2017-03-29 | Ismo Laitela | NF-PM1 | B1=1988203, B2=61634303, E=12 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-07-05 | snme2pm1 | NF | no factor TF: 65-66 | | 2015-01-21 | monst | NF | no factor TF: 64-65 | | 2015-01-20 | Jayder | NF | no factor TF: 63-64 | | 2011-12-09 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2010-08-03 | markr | NF | no factor TF: 61-62 | | 2010-06-04 | markr | NF-PM1 | B1=95000, B2=2042500, E=6 | | 2002-08-24 | David Campeau | NF | no factor TF: 1-61 | | 2001-01-28 | Stephen Wood | C-LL | F9C66F38646E89CA | | 2000-10-28 | Stephen Wood | NF-PM1 | B1=20000, B2=20000 |
|
