| 5091173 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 265 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 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) | 2017-09-20 | kkmrkkblmbrbk | 44E78D1407A59480 | 3 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2018-05-03 | storm5510 | 44E78D1407A59480 | 3 | 1951047 | 1 | 3 | | Verified | Certified Good | 2025-02-02 | mrh | EC13DDB8122BD8CD | 4 | 130773 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-03 | DanMB | CERT | Proof certified good | | 2025-02-02 | mrh | C-PRP | M5091173/122188153/162917537/1832822281/162215667109948672896097 : EC13DDB8122BD8CD Proof Certified Good Proof Power: 7
| | 2025-01-28 | Sid & Andy | F-PM1 | Factor: 162215667109948672896097 / B1=3600000, B2=8647769130 | | 2025-01-23 | Sid & Andy | NF | no factor TF: 68-70 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=50000, B2=1000000 | | 2018-05-03 | storm5510 | C-PRP | M5091173/122188153/162917537/1832822281 : 44E78D1407A59480 | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M5091173/122188153/162917537/1832822281 : 44E78D1407A59480 | | 2008-09-08 | Will Edgington | F | Factor: 1832822281 | | 2008-09-08 | Will Edgington | F | Factor: 162917537 |
|