| 2445907 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 144 / 280 |
Estimated T-Level: 22.6 ⓘ TF below 2^70 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) | 2017-10-13 | Oliver Kruse | BC3CD2677BA7E9A3 | 1 | 2123392 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-28 | storm5510 | BC3CD2677BA7E9A3 | 1 | 982606 | 5 | 3 | | Verified | Certified Good | 2025-01-23 | MarkS | BC3CD2677BA7E9A3 | 2 | 1499754 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-23 | Will Edgington | CERT | Proof certified good | | 2025-01-23 | MarkS | C-PRP | M2445907/5239954618753/184815981417069242521753 : BC3CD2677BA7E9A3 Proof Certified Good
Proof Power: 7
| | 2025-01-23 | MarkS | F-ECM | Factor: 184815981417069242521753 / ECM curve 34, B1=65384, B2=75069225, Edwards Sigma=6535726113788881 | | 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-28 | storm5510 | C-PRP | M2445907/5239954618753 : BC3CD2677BA7E9A3 | | 2017-10-13 | Oliver Kruse | C-PRP | M2445907/5239954618753 : BC3CD2677BA7E9A3 |
|
