| 2360591 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 122 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Matthias Müller | 66D30AE9F05636C0 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-03-26 | Michael Boss | 66D30AE9F05636C0 | 60255 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-13 | Oliver Kruse | BCA7766A6C39865B | 1 | 2281138 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-24 | storm5510 | BCA7766A6C39865B | 1 | 1661449 | 5 | 3 | | Verified | Certified Good | 2025-08-31 | feather | BCA7766A6C39865B | 2 | 592188 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-08-31 | carel van der westhuizen | CERT | Proof certified good | | 2025-08-31 | feather | C-PRP | M2360591/977604913474685521/476184835943527856217953 : BCA7766A6C39865B Proof Certified Good
Proof Power: 7
| | 2025-08-31 | feather | F-ECM | Factor: 476184835943527856217953 / ECM curve 50, B1=94008, B2=16431870, Edwards Sigma=1784477373840587 | | 2018-04-27 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2360591/977604913474685521 : BCA7766A6C39865B | | 2017-10-13 | Oliver Kruse | C-PRP | M2360591/977604913474685521 : BCA7766A6C39865B | | 2003-09-21 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-03-26 | -anonymous- | C-LL | 66D30AE9F05636C0 | | 1999-03-01 | -anonymous- | NF | no factor TF: 1-59 |
|
