| 2335549 | 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 | 121 / 640 |
Estimated T-Level: 25.9 ⓘ TF below 2^81 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 | 80EF8792791CCE3E | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-23 | storm5510 | 80EF8792791CCE3E | 1 | 1364621 | 1 | 3 | | Verified | Certified Good | 2025-03-23 | Daniil Tsarkov | 0582BD5867470CE0 | 2 | 155396 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-23 | Stuart | CERT | Proof certified good | | 2025-03-23 | Daniil Tsarkov | C-PRP | M2335549/132434970497/6778962783708345324456281273 : 0582BD5867470CE0 Proof Certified Good Proof Power: 7
| | 2025-03-23 | Daniil Tsarkov | F-ECM | Factor: 6778962783708345324456281273 / ECM curve 37, B1=79351, B2=117709515, Edwards Sigma=4812900318261637 | | 2021-04-21 | ViliamF | NF-PM1 | B1=5000000, B2=305000000 | | 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2335549/132434970497 : 80EF8792791CCE3E | | 2017-10-12 | Oliver Kruse | C-PRP | M2335549/132434970497 : 80EF8792791CCE3E |
|