| 8442653 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 82 / 280 |
Estimated T-Level: 21.5 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-10-28 | rucio | C60C7F2F85719347 | 2 | 6323680 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-06-01 | Luigi Morelli | C60C7F2F85719347 | 2 | 7294791 | 5 | 3 | | Verified | Certified Good | 2022-01-05 | Joe S. | C60C7F2F85719347 | 3 | 8360340 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-04-20 | Dylan Delgado | NF-PM1 | B1=3900000, B2=2116647390 | | 2022-01-14 | riccardo uberti | NF-PP1 | Start=6/5, B1=3000000, B2=60000000 | | 2022-01-10 | riccardo uberti | NF-PP1 | Start=2/7, B1=3000000, B2=60000000 | | 2022-01-05 | riccardo uberti | NF-PM1 | B1=3000000, B2=60000000 | | 2022-01-05 | riccardo uberti | CERT | Proof certified good | | 2022-01-05 | Joe S. | C-PRP | M8442653/118197143/3309519977/170705612282979357439 : C60C7F2F85719347 Proof Certified Good Proof Power: 8
| | 2021-12-30 | TJAOI | F | Factor: 170705612282979357439 | | 2020-06-01 | Luigi Morelli | C-PRP | M8442653/118197143/3309519977 : C60C7F2F85719347 | | 2018-10-28 | rucio | C-PRP | M8442653/118197143/3309519977 : C60C7F2F85719347 | | 2008-09-08 | Will Edgington | F | Factor: 3309519977 |
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