| 2297843 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 144 / 640 |
Estimated T-Level: 26.1 ⓘ TF below 2^82 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Steve Sommars | D1FE2FC4AB97E3F9 | 0 | Windows,Prime95,v13,(aka WP1) | | Factored | 1999-05-23 | C. Cooper / S. Boone | D1FE2FC4AB97E3F9 | 1260796 | Windows,Prime95,v18,NT service,(aka WU5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-11 | Oliver Kruse | 371665AB489A8902 | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-11-22 | storm5510 | 371665AB489A8902 | 1 | 1240346 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2017-11-22 | storm5510 | C-PRP | M2297843/32502106444982538826249 : 371665AB489A8902 | | 2017-10-11 | Oliver Kruse | C-PRP | M2297843/32502106444982538826249 : 371665AB489A8902 | | 2016-04-29 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2011-01-17 | Oscar Östlin | F-PM1 | Factor: 32502106444982538826249 | | 2010-12-04 | Oscar Östlin | NF-PM1 | B1=75011 | | 2010-11-15 | Joss | NF-PM1 | B1=20000 | | 2010-11-07 | Joss | NF-PM1 | B1=15000 | | 2009-01-15 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-08-08 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-05-23 | curtisc | C-LL | D1FE2FC4AB97E3F9 |
|
