| 5151581 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 265 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-09-20 | kkmrkkblmbrbk | 21BB676FAC01D981 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2018-05-17 | ATH | 21BB676FAC01D981 | 1 | 385322 | 1 | 3 | | Verified | Certified Good | 2020-08-13 | storm5510 | 15C17FC8DFFFB8C8 | 2 | 13780 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-19 | Sid & Andy | NF | no factor TF: 68-70 | | 2025-01-14 | Sid & Andy | NF-PM1 | B1=3800000, B2=9313127670 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=50000, B2=1000000 | | 2020-08-13 | George Woltman | CERT | Proof certified good | | 2020-08-13 | storm5510 | C-PRP | M5151581/289879462871/121701588548415148289 : 15C17FC8DFFFB8C8 Proof Certified Good
Proof Power: 7
| | 2020-08-13 | TJAOI | F | Factor: 121701588548415148289 | | 2018-05-17 | ATH | C-PRP | M5151581/289879462871 : 21BB676FAC01D981 | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M5151581/289879462871 : 21BB676FAC01D981 |
|
