| 8447171 | Composite, with 5 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| P-1 factors | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-10-28 | rucio | 9491B077C4ACB83B | 3 | 1486749 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-06-03 | arnaud | 9491B077C4ACB83B | 3 | 7578315 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-10-07 | tottenhoff | 9491B077C4ACB83B | 4 | 151995 | 5 | 3 | | Verified | Certified Good | 2024-05-28 | Stef42 | 9491B077C4ACB83B | 5 | 3996883 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-23 | beep | NF-PM1 | B1=4800000, B2=8597739150 | | 2024-05-28 | Paulo Jorente | CERT | Proof certified good | | 2024-05-28 | Stef42 | C-PRP | M8447171/67577369/1381771337839/4139941612759/130232805523363124551/77057259945408392257058497 : 9491B077C4ACB83B Proof Certified Good Proof Power: 8
| | 2024-05-27 | Stef42 | F-PM1 | Factor: 77057259945408392257058497 / B1=4000000 | | 2020-10-07 | tottenhoff | C-PRP | M8447171/67577369/1381771337839/4139941612759/130232805523363124551 : 9491B077C4ACB83B | | 2020-10-06 | TJAOI | F | Factor: 130232805523363124551 | | 2020-06-03 | arnaud | C-PRP | M8447171/67577369/1381771337839/4139941612759 : 9491B077C4ACB83B | | 2018-10-28 | rucio | C-PRP | M8447171/67577369/1381771337839/4139941612759 : 9491B077C4ACB83B | | 2013-12-13 | TJAOI | F | Factor: 4139941612759 | | 2008-09-08 | Will Edgington | F | Factor: 1381771337839 |
|