| 2345129 | 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 | 123 / 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) | 2017-10-12 | Oliver Kruse | 7AE729FCFE2E19A9 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-24 | storm5510 | 7AE729FCFE2E19A9 | 1 | 444478 | 1 | 3 | | Verified | Certified Good | 2026-01-21 | Oliver Kruse | EE6888C94931FF29 | 2 | 1640449 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-01-21 | fre_games | CERT | Proof certified good | | 2026-01-21 | Oliver Kruse | C-PRP | M2345129/87820390793/7960240799334318396617 : EE6888C94931FF29 Proof Certified Good Proof Power: 7
| | 2026-01-16 | TJAOI | F-ECM | Factor: 7960240799334318396617 / ECM curve 35, B1=250000, B2=252249855, Edwards Sigma=5363330057567151 | | 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2345129/87820390793 : 7AE729FCFE2E19A9 | | 2017-10-12 | Oliver Kruse | C-PRP | M2345129/87820390793 : 7AE729FCFE2E19A9 |
|