| 5080553 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 265 |
| Factored | |
| 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 | 5C30BB5B99B414E4 | 2 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2018-05-01 | storm5510 | 5C30BB5B99B414E4 | 2 | 1798359 | 1 | 3 | | Verified | Certified Good | 2023-05-17 | Perig | 6C24194FD0D25250 | 3 | 4222112 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-20 | Sid & Andy | NF | no factor TF: 68-70 | | 2025-01-07 | Sid & Andy | NF-PM1 | B1=3600000, B2=8741763030 | | 2023-05-17 | Tom Kayser | CERT | Proof certified good | | 2023-05-17 | Perig | C-PRP | Proof Certified Good
Proof Power: 7
| | 2023-05-12 | This -Anonymous- | F-ECM | Factor: 2325839881928802966846291089 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=50000, B2=1000000 | | 2018-05-01 | storm5510 | C-PRP | M5080553/69207292967/421081069326457 : 5C30BB5B99B414E4 | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M5080553/421081069326457/69207292967 : 5C30BB5B99B414E4 | | 2014-04-09 | TJAOI | F | Factor: 421081069326457 |
|
