| Fermat F26 | Composite: 1 known prime factor Trial Factored to 268 TF target 274 |
| Assignments | | Assigned | User | Work Type | Stage | % Done | Updated | Est Complete | Expired |
|---|
| 2025-11-18 | mhoney | ECM | C1S2 | | 2026-06-16 | 2026-11-23 | | | 2025-11-18 | mhoney | ECM | C1S2 | | 2026-06-16 | 2026-11-23 | | | 2025-11-18 | mhoney | ECM | C1S2 | | 2026-06-16 | 2026-11-23 | | | 2025-11-18 | mhoney | ECM | C1S2 | | 2026-06-16 | 2026-11-23 | | | 2025-11-18 | mhoney | ECM | C1S2 | | 2026-06-16 | 2026-11-23 | |
|
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 640 / 640 | | 35 | 1000000 | 1533 / 1566 |
Estimated T-Level: 34.9 ⓘ TF below 2^111 is very unlikely to find new factors due to ECM effort. |
| History | | Date | User | Type | Result |
|---|
| 2026-06-17 | Anton Repko | NF-PM1 | B1=2000000000, B2=24001123146000 | | 2021-04-27 | ATH | NF-PP1 | Start=6/5, B1=2000000, B2=150000000 | | 2021-04-25 | ATH | NF-PP1 | Start=2/7, B1=1000000, B2=100000000 | | 2015-06-11 | Jacques MOLNE | F-ECM | Factor: 76861124116481 | | 2008-11-30 | alan145 | F-ECM | Factor: 76861124116481 | | 2008-11-27 | alan145 | F-ECM | Factor: 76861124116481 |
|
