| 3861967 | Composite, with 6 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 264 |
| Factored | |
| P-1 factors | | Date | Factors | B1 | B2 |
|---|
| 2022-07-21 | No new factors discovered | 3861967 | 3891751500 | | 2022-02-13 | No new factors discovered | 2300000 | 134904000 | | 2022-02-09 | No new factors discovered | 2300000 | 2300000 |
|
| 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) | 2017-09-20 | kkmrkkblmbrbk | B1043996D6E864E4 | 6 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2017-12-22 | storm5510 | B1043996D6E864E4 | 6 | 1990212 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-10-05 | Joss | NF-PM1 | B1=4200000, B2=711820200 | | 2022-09-02 | Joss | NF-PM1 | B1=4200000, B2=217278600 | | 2022-07-21 | Joss | F-PM1 | Factor: 3992835802972061489 / B1=3861967, B2=3891751500 | | 2022-06-19 | LordJulius | NF | no factor TF: 64-65 | | 2022-06-19 | LordJulius | NF | no factor TF: 65-66 | | 2022-06-19 | LordJulius | NF | no factor TF: 63-64 | | 2022-06-19 | LordJulius | NF | no factor TF: 62-63 | | 2022-03-21 | Joss | NF-PM1 | B1=2300000, B2=1003510200 | | 2022-02-13 | Joss | F-PM1 | Factor: 1009449222241183 / B1=2300000, B2=134904000 | | 2022-02-09 | Joss | F-PM1 | Factor: 139778941058474107098201342985727170020195962359 / B1=2300000 | | 2020-03-27 | Joss | NF-PM1 | B1=2300000, B2=200000000, E=12 | | 2020-01-28 | Joss | NF-PM1 | B1=2300000, B2=100000000, E=12 | | 2019-06-18 | Seth_Tr | NF | no factor TF: 66-67 | | 2017-12-22 | storm5510 | C-PRP | M3861967/996387487/14057559881/10645473415831/937429376985287/1009449222241183/3992835802972061489 : B1043996D6E864E4 | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M3861967/1009449222241183/10645473415831/14057559881/3992835802972061489/937429376985287/996387487 : B1043996D6E864E4 | | 2016-05-31 | TJAOI | F | Factor: 3992835802972061489 | | 2014-05-14 | TJAOI | F | Factor: 1009449222241183 | | 2014-05-09 | TJAOI | F | Factor: 937429376985287 | | 2008-09-30 | markr | F | Factor: 10645473415831 | | 2008-09-07 | Will Edgington | F | Factor: 14057559881 |
|
