| 2496757 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 201 / 280 |
Estimated T-Level: 23.6 ⓘ TF below 2^73 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 | 1A3E9B9074E810DC | 1 | 688555 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-30 | storm5510 | 1A3E9B9074E810DC | 1 | 553881 | 5 | 3 | | Verified | Certified Good | 2025-05-01 | feather | 1A3E9B9074E810DC | 2 | 396201 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-01 | Cchrhim | CERT | Proof certified good | | 2025-05-01 | feather | C-PRP | M2496757/4893643721/18151677948648283715832911 : 1A3E9B9074E810DC Proof Certified Good
Proof Power: 7
| | 2025-05-01 | feather | F-ECM | Factor: 18151677948648283715832911 / ECM curve 14, B1=65384, B2=3741150, Edwards Sigma=3766752308859002 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-30 | storm5510 | C-PRP | M2496757/4893643721 : 1A3E9B9074E810DC | | 2017-10-14 | Oliver Kruse | C-PRP | M2496757/4893643721 : 1A3E9B9074E810DC |
|
