| 2947559 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 58 / 280 |
Estimated T-Level: 21.0 ⓘ TF below 2^65 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) | 2017-10-25 | Oliver Kruse | BED4FCE8566D96C9 | 1 | 1079209 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-09 | kkmrkkblmbrbk | BED4FCE8566D96C9 | 1 | 1110991 | 5 | 3 | | Verified | PRP without proof (not generated) | 2019-04-30 | storm5510 | BED4FCE8566D96C9 | 2 | 2387303 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-09-21 | USAFSS | NF-PM1 | B1=288000, B2=274843800 | | 2019-04-30 | storm5510 | C-PRP | M2947559/5895119/2760224918830939260676361 : BED4FCE8566D96C9 | | 2019-04-30 | Joss | F-PM1 | Factor: 2760224918830939260676361 / B1=200000 | | 2017-12-09 | kkmrkkblmbrbk | C-PRP | M2947559/5895119 : BED4FCE8566D96C9 | | 2017-10-25 | Oliver Kruse | C-PRP | M2947559/5895119 : BED4FCE8566D96C9 |
|
