| 2378273 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 115 / 280 |
Estimated T-Level: 22.1 ⓘ TF below 2^68 is very unlikely to find new factors due to ECM effort. |
| 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 | 0DBAEFDD22A2F763 | 2 | 692224 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-25 | kkmrkkblmbrbk | 0DBAEFDD22A2F763 | 2 | 265579 | 5 | 3 | | Verified | Certified Good | 2025-03-24 | Daniil Tsarkov | 0DBAEFDD22A2F763 | 3 | 292728 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-24 | JBOXDORFER | CERT | Proof certified good | | 2025-03-24 | Daniil Tsarkov | C-PRP | M2378273/14269639/1426963801/3845597189207152302617 : 0DBAEFDD22A2F763 Proof Certified Good
Proof Power: 7
| | 2025-03-24 | Daniil Tsarkov | F-ECM | Factor: 3845597189207152302617 / ECM curve 15, B1=74959, B2=117685630, Edwards Sigma=8801327915355899 | | 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-25 | kkmrkkblmbrbk | C-PRP | M2378273/14269639/1426963801 : 0DBAEFDD22A2F763 | | 2017-10-12 | Oliver Kruse | C-PRP | M2378273/14269639/1426963801 : 0DBAEFDD22A2F763 | | 2008-07-14 | George Woltman | F-ECM | Factor: 1426963801 |
|
