| 5017321 | Composite, with 1 known prime factor. 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 |
|---|
| Verified | PRP without proof (not generated) | 2017-11-21 | storm5510 | 05ACD3209C1F774A | 1 | 3004086 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-01-13 | kkmrkkblmbrbk | 05ACD3209C1F774A | 1 | 1263682 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-13 | Sid & Andy | NF-PM1 | B1=5600000, B2=8313020562 | | 2025-01-01 | Sid & Andy | NF | no factor TF: 68-70 | | 2024-08-30 | cramsey87 | NF-PM1 | B1=1000000, B2=2020317390 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=50000, B2=1000000 | | 2018-01-13 | kkmrkkblmbrbk | C-PRP | M5017321/2581437383322089 : 05ACD3209C1F774A | | 2017-11-21 | storm5510 | C-PRP | M5017321/2581437383322089 : 05ACD3209C1F774A |
|
