| 2334583 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 127 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Dax Mickelson | D1481EF50D4CF4EF | 0 | Windows,Prime95,v14,NT service,(aka WQ5) | | Factored | 1999-03-01 | Carl Mikkelsen | D1481EF50D4CF4EF | 760483 | Linux 32-bit,Prime95,v17,(aka WT2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-12 | Oliver Kruse | F98630761DDED837 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-23 | storm5510 | F98630761DDED837 | 1 | 1557477 | 1 | 3 | | Verified | Certified Good | 2025-04-20 | TBBnozomi | 8CA1B75586FE87A2 | 2 | 1386145 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-04-20 | carel van der westhuizen | CERT | Proof certified good | | 2025-04-20 | TBBnozomi | C-PRP | M2334583/440350759193335313/266422126106491796581177 : 8CA1B75586FE87A2 Proof Certified Good
Proof Power: 7
| | 2025-04-20 | TBBnozomi | F-ECM | Factor: 266422126106491796581177 / ECM curve 20, B1=81352, B2=23351055, Edwards Sigma=3495383784546084 | | 2021-04-20 | ViliamF | NF-PM1 | B1=5000000, B2=505000000 | | 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2334583/440350759193335313 : F98630761DDED837 | | 2017-10-12 | Oliver Kruse | C-PRP | M2334583/440350759193335313 : F98630761DDED837 | | 2003-09-21 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-03-01 | foxkid | C-LL | D1481EF50D4CF4EF |
|
