| 5206153 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 266 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-11-22 | storm5510 | 0D61927DB8CEC8D7 | 4 | 5175001 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-01-21 | kkmrkkblmbrbk | 0D61927DB8CEC8D7 | 4 | 469017 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-07 | Sid & Andy | NF | no factor TF: 68-70 | | 2024-07-29 | cramsey87 | NF-PM1 | B1=520000, B2=790428870 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=50000, B2=1000000 | | 2018-01-21 | kkmrkkblmbrbk | C-PRP | M5206153/114535367/281132263/364430711/15417626441873 : 0D61927DB8CEC8D7 | | 2017-11-22 | storm5510 | C-PRP | M5206153/114535367/281132263/364430711/15417626441873 : 0D61927DB8CEC8D7 | | 2008-09-30 | markr | F | Factor: 15417626441873 | | 2008-09-08 | Will Edgington | F | Factor: 364430711 | | 2008-09-08 | Will Edgington | F | Factor: 281132263 |
|
