| 2498423 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 278 / 280 |
Estimated T-Level: 25.0 ⓘ TF below 2^78 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) | 2017-10-14 | Oliver Kruse | 5A3908C85380C330 | 1 | 1456964 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-30 | storm5510 | 5A3908C85380C330 | 1 | 1355180 | 5 | 3 | | Verified | Certified Good | 2023-12-28 | Anton Tsvetkov | 5A3908C85380C330 | 2 | 442679 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-12-29 | Steve Jacobson | CERT | Proof certified good | | 2023-12-28 | Anton Tsvetkov | C-PRP | M2498423/155157105120769/1049859517888626022559 : 5A3908C85380C330 Proof Certified Good
Proof Power: 7
| | 2023-12-28 | MarkS | F-ECM | Factor: 1049859517888626022559 / ECM curve 26, B1=50000, B2=6850000, Montgomery Sigma=7946924106780714 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2498423/155157105120769 : 5A3908C85380C330 | | 2017-10-14 | Oliver Kruse | C-PRP | M2498423/155157105120769 : 5A3908C85380C330 |
|
