| 2323423 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| 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. |
| 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 | CFCC5C87A31AFEEF | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-23 | storm5510 | CFCC5C87A31AFEEF | 1 | 1497945 | 1 | 3 | | Verified | Certified Good | 2025-11-22 | Kamil Gorski | D0398061655A4F9B | 2 | 445777 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-11-22 | Aleksandr-liberty | CERT | Proof certified good | | 2025-11-22 | Kamil Gorski | C-PRP | M2323423/55762153/2748046171542453271646809 : D0398061655A4F9B Proof Certified Good
Proof Power: 7
| | 2025-11-15 | TJAOI | F-ECM | Factor: 2748046171542453271646809 / ECM curve 18, B1=250000, B2=264647565, Edwards Sigma=8016461474881256 | | 2021-04-26 | 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 | M2323423/55762153 : CFCC5C87A31AFEEF | | 2017-10-11 | Oliver Kruse | C-PRP | M2323423/55762153 : CFCC5C87A31AFEEF |
|
