| Fermat F16 | Composite: 2 known prime factors Trial Factored to 268 TF target 244 |
| Assignments | | Assigned | User | Work Type | Stage | % Done | Updated | Est Complete | Expired |
|---|
| 2025-02-04 | sannerud.com | ECM | C1S1 | 89.98 % | 2026-03-08 | 2026-03-26 | |
|
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 640 / 640 | | 35 | 1000000 | 1566 / 1566 | | 40 | 3000000 | 4588 / 4588 | | 45 | 11000000 | 9201 / 9201 | | 50 | 44000000 | 16550 / 16550 | | 55 | 110000000 | 40830 / 40830 | | 60 | 260000000 | 21279 / 105362 |
Estimated T-Level: 56.0 ⓘ TF below 2^181 is very unlikely to find new factors due to ECM effort. |
| History | | Date | User | Type | Result |
|---|
| 2025-03-31 | Anton Repko | NF-PM1 | B1=2000000000000, B2=2200850053049668020 | | 2021-05-02 | ATH | NF-PP1 | Start=6/5, B1=2000000000, B2=100000000000 | | 2021-04-23 | ATH | NF-PP1 | Start=2/7, B1=500000000, B2=50000000000 | | 2014-04-27 | charger | F-ECM | Factor: 825753601 | | 2014-04-03 | charger | F-ECM | Factor: 825753601 |
|
