| 2614987 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 98 / 280 |
Estimated T-Level: 21.8 ⓘ TF below 2^67 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) | 2017-10-17 | Oliver Kruse | 1E7C3B856B15F962 | 1 | 1712517 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-02 | storm5510 | 1E7C3B856B15F962 | 1 | 1747770 | 5 | 3 | | Verified | Certified Good | 2024-06-13 | minikv116 | 1E7C3B856B15F962 | 2 | 1127030 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-06-14 | Schwa | CERT | Proof certified good | | 2024-06-13 | minikv116 | C-PRP | M2614987/151669247/2387781798074537143297 : 1E7C3B856B15F962 Proof Certified Good Proof Power: 7
| | 2024-06-13 | minikv116 | F-ECM | Factor: 2387781798074537143297 / ECM curve 5, B1=50000, B2=29300000, Edwards Sigma=1998663519205606 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2614987/151669247 : 1E7C3B856B15F962 | | 2017-10-17 | Oliver Kruse | C-PRP | M2614987/151669247 : 1E7C3B856B15F962 |
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