| 2653543 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 108 / 280 |
Estimated T-Level: 21.9 ⓘ TF below 2^68 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Gordon Hennesy | A96EEA558EDE60FE | 0 | Mac,John Sweeney,v1.4,(aka J3) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-18 | Oliver Kruse | 9124E3ACAE56239D | 1 | 1518280 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-03 | storm5510 | 9124E3ACAE56239D | 1 | 309048 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-03 | storm5510 | C-PRP | M2653543/26284004874277783 : 9124E3ACAE56239D | | 2017-10-18 | Oliver Kruse | C-PRP | M2653543/26284004874277783 : 9124E3ACAE56239D |
|
