| 9681283 | Composite, with 5 known prime factors. Cofactor is composite. Trial Factored to 269 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) | 2019-10-12 | mnd9 | 39C28CD283D6DD1A | 4 | 3279401 | 5 | 3 | | Factored | Certified Good | 2020-12-21 | storm5510 | 39C28CD283D6DD1A | 4 | 3649820 | 5 | 3 | | Verified | Certified Good | 2025-06-13 | yuriy_5-1 | 39C28CD283D6DD1A | 5 | 6668589 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-12-11 | Mingye Wang | F | Factors: 2091157129,176741502449 / TF: 68-69 | | 2025-06-13 | pilotpsk | CERT | Proof certified good | | 2025-06-13 | yuriy_5-1 | C-PRP | M9681283/2091157129/176741502449/33791859984257/207533310211023127/338420974763473645562740217 : 39C28CD283D6DD1A Proof Certified Good
Proof Power: 8
| | 2025-06-12 | yuriy_5-1 | NF-PM1 | B1=2904384, B2=612757530 | | 2025-06-10 | yuriy_5-1 | F-PM1 | Factor: 338420974763473645562740217 / B1=1936256, B2=971662230 | | 2020-12-21 | Ben Delo | CERT | Proof certified good | | 2020-12-21 | storm5510 | C-PRP | M9681283/2091157129/176741502449/33791859984257/207533310211023127 : 39C28CD283D6DD1A Proof Certified Good
Proof Power: 8
| | 2019-10-12 | mnd9 | C-PRP | M9681283/2091157129/176741502449/33791859984257/207533310211023127 : 39C28CD283D6DD1A | | 2015-06-26 | TJAOI | F | Factor: 207533310211023127 | | 2008-09-30 | markr | F | Factor: 33791859984257 | | 2008-09-08 | Will Edgington | F | Factor: 176741502449 |
|
