| 3861607 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 5 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Simon Karpen | 7F91F0D049ACF8F3 | 0 | Linux 32-bit,Prime95,v14,(aka WQ2) | | Factored | | Daniel Lilliehöök | 7F91F0D049ACF8F3 | 0 | Mlucas,Ernst Mayer,v2.4d,(aka E1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-09-20 | kkmrkkblmbrbk | 51D150A310EEB06F | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-12-21 | storm5510 | 51D150A310EEB06F | 1 | 3543687 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-05-25 | Joss | NF-PM1 | B1=100000, B2=130364850 | | 2022-03-22 | Joss | NF-PM1 | B1=100000 | | 2022-03-05 | Joss | NF-PM1 | B1=90000 | | 2017-12-21 | storm5510 | C-PRP | M3861607/13631060762139984333041 : 51D150A310EEB06F | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M3861607/13631060762139984333041 : 51D150A310EEB06F | | 2012-09-13 | oodaira | F-ECM | Factor: 13631060762139984333041 | | 2012-02-20 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-10-21 | Squeeky_Squirrel | NF-PM1 | B1=70000, B2=1137500, E=6 | | 2011-02-25 | markr | NF | no factor TF: 61-62 | | 2009-07-27 | Carsten Kossendey | NF-PM1 | B1=20000, B2=275000 | | 2009-02-22 | S485122 | NF | no factor TF: 60-61 |
|
