| 2443807 | 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 | | Marc Honey | 0D57B2981D764082 | 0 | Windows,Prime95,v13,(aka WP1) | | Factored | | Cornelius Caesar | 0D57B2981D764082 | 0 | Mac,John Sweeney,v1.4,(aka J3) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-13 | Oliver Kruse | 5F07A5137DE5130A | 1 | 1233704 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-28 | storm5510 | 5F07A5137DE5130A | 1 | 1532852 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-28 | storm5510 | C-PRP | M2443807/1037392063676070457 : 5F07A5137DE5130A | | 2017-10-13 | Oliver Kruse | C-PRP | M2443807/1037392063676070457 : 5F07A5137DE5130A | | 2003-10-31 | Team Prime Rib | NF-PM1 | B1=15000, B2=217500 | | 2003-10-14 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-08-07 | -anonymous- | NF | no factor TF: 1-59 |
|
