| 5507261 | Composite, with 1 known prime factor. 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) | 2017-12-04 | kkmrkkblmbrbk | A39DAC6007064046 | 1 | 4213173 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-07-01 | storm5510 | A39DAC6007064046 | 1 | 3789913 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-06-03 | Sid & Andy | NF-PM1 | B1=4700000, B2=7489170150 | | 2025-05-10 | Sid & Andy | NF | no factor TF: 68-70 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=50000, B2=1000000 | | 2018-07-01 | storm5510 | C-PRP | M5507261/145435748489 : A39DAC6007064046 | | 2017-12-04 | kkmrkkblmbrbk | C-PRP | M5507261/145435748489 : A39DAC6007064046 |
|
