| 2323561 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 125 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^81 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) | 2017-10-11 | Oliver Kruse | 2875ACA0328466B4 | 2 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-23 | storm5510 | 2875ACA0328466B4 | 2 | 2236729 | 1 | 3 | | Verified | Certified Good | 2025-11-25 | -anonymous- | 6558EA9CBC24DCB8 | 3 | 462913 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-11-25 | Section 31 | CERT | Proof certified good | | 2025-11-25 | -anonymous- | C-PRP | M2323561/106883807/751774201595513/35760342054415284161140489 : 6558EA9CBC24DCB8 Proof Certified Good
Proof Power: 7
| | 2025-11-15 | TJAOI | F-ECM | Factor: 35760342054415284161140489 / ECM curve 43, B1=250000, B2=264647565, Edwards Sigma=3141210571952887 | | 2021-04-25 | ViliamF | NF-PM1 | B1=5000000, B2=305000000 | | 2018-03-05 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-23 | storm5510 | C-PRP | M2323561/106883807/751774201595513 : 2875ACA0328466B4 | | 2017-10-11 | Oliver Kruse | C-PRP | M2323561/106883807/751774201595513 : 2875ACA0328466B4 | | 2014-04-29 | TJAOI | F | Factor: 751774201595513 |
|
